Adding missing headers and minor fixes (#2676)

* Modifying base time of day resolution code to improve re-use and facilitate changing policy.

* Adding spec for reported misspelt English number case.

* Adding holiday variations in German.

* Add missing code file headers across platforms.

* Fixing Flake8 failures.

* Removing null-coalescing assignment operator due to issue with .Net Core 2.1.

.NET/Microsoft.Recognizers.Definitions.Common/English/NumbersDefinitions.cs

@@ -50,7 +50,7 @@ public static class NumbersDefinitions
       public static readonly string AllIntRegexWithLocks = $@"((?<=\b){AllIntRegex}(?=\b))";
       public static readonly string AllIntRegexWithDozenSuffixLocks = $@"(?<=\b)(((half\s+)?a\s+dozen)|({AllIntRegex}\s+dozen(s)?))(?=\b)";
       public const string RoundNumberOrdinalRegex = @"(?:hundredth|thousandth|millionth|billionth|trillionth)";
-      public const string NumberOrdinalRegex = @"(?:first|second|third|fourth|fifth|sixth|seventh|eighth|ninth|tenth|eleventh|twelfth|thirteenth|fourteenth|fifteenth|sixteenth|seventeenth|eighteenth|nineteenth|twentieth|thirtieth|fortieth|fiftieth|sixtieth|seventieth|eightieth|ninetieth)";
+      public const string NumberOrdinalRegex = @"(?:first|second|third|fourth|fifth|sixth|seventh|eighth|nine?th|tenth|eleventh|twelfth|thirteenth|fourteenth|fifteenth|sixteenth|seventeenth|eighteenth|nineteenth|twentieth|thirtieth|fortieth|fiftieth|sixtieth|seventieth|eightieth|ninetieth)";
       public const string RelativeOrdinalRegex = @"(?<relativeOrdinal>(next|previous|current)\s+one|(the\s+second|next)\s+to\s+last|the\s+one\s+before\s+the\s+last(\s+one)?|the\s+last\s+but\s+one|(ante)?penultimate|last|next|previous|current)";
       public static readonly string BasicOrdinalRegex = $@"({NumberOrdinalRegex}|{RelativeOrdinalRegex})";
       public static readonly string SuffixBasicOrdinalRegex = $@"(?:(((({TensNumberIntegerRegex}(\s+(and\s+)?|\s*-\s*){ZeroToNineIntegerRegex})|{TensNumberIntegerRegex}|{ZeroToNineIntegerRegex}|{AnIntRegex})(\s+{RoundNumberIntegerRegex})+)\s+(and\s+)?)*({TensNumberIntegerRegex}(\s+|\s*-\s*))?{BasicOrdinalRegex})";
@@ -180,6 +180,7 @@ public static class NumbersDefinitions
             { @"seventh", 7 },
             { @"eighth", 8 },
             { @"ninth", 9 },
+            { @"nineth", 9 },
             { @"tenth", 10 },
             { @"eleventh", 11 },
             { @"twelfth", 12 },
@@ -213,6 +214,7 @@ public static class NumbersDefinitions
             { @"sevenths", 7 },
             { @"eighths", 8 },
             { @"ninths", 9 },
+            { @"nineths", 9 },
             { @"tenths", 10 },
             { @"elevenths", 11 },
             { @"twelfths", 12 },

.NET/Microsoft.Recognizers.Definitions.Common/English/NumbersWithUnitDefinitions.cs

@@ -879,7 +879,7 @@ public static class NumbersWithUnitDefinitions
       public static readonly Dictionary<string, string> AmbiguityFiltersDict = new Dictionary<string, string>
         {
             { @"\bm\b", @"((('|’)\s*m)|(m\s*('|’)))" },
-            { @"^\d{5} f$", @"\b([a-z]{2} \d{5} f)\b" }
+            { @"^\d{5} [cf]$", @"\b([a-z]{2} \d{5} [cf])\b" }
         };
     }
 }

.NET/Microsoft.Recognizers.Definitions.Common/German/DateTimeDefinitions.cs

@@ -190,7 +190,7 @@ public static class DateTimeDefinitions
       public const string HalfRegex = @"(((ein(e(n|r|s)?)?)\s*)|\b)(?<half>halb(e(n|r|s)?)?\s+(?<unit>jahr(e(r|s)?)?|monat(s|e)?|woch(en?)?|tag(e(n|r|s)?)?|stund(en?)?))\b";
       public const string ConjunctionRegex = @"\b((und(\s+für)?)|mit|für)\b";
       public static readonly string HolidayRegex1 = $@"\b((dieses jahr)\s*)?(?<holiday>reformations(tag|fest)|gedenktag der reformation|martinstag|st. martin|sankt martin|martinsfest|martini|nikolaustag|dreikönigstag|dreikönigsfest|walpurgisnacht|nationalfeiertag|mariä empfängnis|weihnachten|weihnachts(feier)?tag|erste(r|n)? weihnachtstag|1. weihnachtstag|erste(r|n)? weihnachtsfeiertag|1\. weihnachtsfeiertag|zweite(r|n)? weihnachtstag|zweite(r|n)? weihnachtsfeiertag|2\. weihnachtstag|zweite(r|n)? weihnachtsfeiertag|stefanitag|stafanstag|berchtoldstag|bechtelistag|bächtelistag|berchtelistag|bärzelistag|josefstag|joseftag|josefitag|pfingsten|ostermontag|ostersonntag|bundesfeiertag|bundesfeier|mariä himmelfahrt|tag der deutschen einheit|ostern|vatertag|muttertag|erntedank(fest)?|thanksgiving|martin luther king day|martin luther king jr day|washington's birthday|washington birthday|canberraday|tag der arbeit|columbus day|memorial day|yuandan|mao's birthday|teachersday|teacher day|single day|tag der jugend|kindertag|(Internationaler\s+)?frauentag|treeplanting day|tag des baumes|girlsday|white lover day|loverday|weihnachten|weihnachtstag|xmas|neujahr|neujahrstag|neujahr|neujahrstag|neujahr|inauguration day|murmeltiertag|sommeranfang|winteranfang|frühlingsanfang|herbstanfang|valentinstag|st patrick day|erster april|april scherz|georgstag|mayday|maitag|maifeiertag|geburt johannes des täufers|us unabhängigkeitstag|unabhängigkeitstag|sturm auf die bastille|halloween|guy fawkes day|guy fawkes night|veterans day|heiligabend|silvester|pi-tag|pitag|pi (tag|day))(\s+((diesen)\s+)?(im jahr {YearRegex}|{YearRegex}|(im\s+)?{RelativeRegex}\s+jahr(es)?))?\b";
-      public static readonly string HolidayRegex2 = $@"\b((dieses jahr)\s*)?(?<holiday>martin luther king|martin luther king jr|allerheiligen|tree planting day|white lover|st patrick|st george|independence|us independence|allerseelen|guy fawkes|silvester|weiberfastnacht|karneval|aschermittwoch|palm(en)?sonntag|karsamstag|fastnachtssamstag|fastnachtssonntag|heilige drei könige|barbaratag|reformationstag|weltkindertag|augsburger friedensfest|johannistag|peter und paul|karfreitag|christi himmelfahrt|pfingstsonntag|pfingstmontag|fronleichnam|rosenmontag|fastnacht|gründonnerstag|himmelfahrt|volkstrauertag|buß und bettag|buß- und bettag|buss- und bettag|buss und bettag|totensonntag|erste(r|n)? advent|1\. advent|zweite(r|n)? advent|2\. advent|dritte(r|n)? advent|3\. advent|vierte(r|n)? advent|4\. advent|schweizer buss- und bettag|schweizer buss und bettag|schweizer buß und bettag|schweizer buß- und bettag)(\s+((diesen)\s+)?(im jahr {YearRegex}|{YearRegex}|(im\s+)?{RelativeRegex}\s+jahr(es)?))?\b";
+      public static readonly string HolidayRegex2 = $@"\b((dieses jahr)\s*)?(?<holiday>martin luther king|martin luther king jr|allerheiligen|tree planting day|white lover|st patrick|st george|independence|us independence|allerseelen|guy fawkes|silvester|weiberfastnacht|karneval|aschermittwoch|palm(en)?sonntag|karsamstag|fastnachtssamstag|fastnachtssonntag|heilige drei könige|barbaratag|reformationstag|weltkindertag|augsburger friedensfest|johannistag|peter und paul|karfreitag|christi himmelfahrt|pfingstsonntag|pfingstmontag|fronleichnam|rosenmontag|fastnacht|gründonnerstag|himmelfahrt|volkstrauertag|buß und bettag|buß- und bettag|buss- und bettag|buss und bettag|toten(sonntag|fest)|ewigkeitssonntag|erste(r|n)? advent|1\. advent|zweite(r|n)? advent|2\. advent|dritte(r|n)? advent|3\. advent|vierte(r|n)? advent|4\. advent|schweizer buss- und bettag|schweizer buss und bettag|schweizer buß und bettag|schweizer buß- und bettag)(\s+((diesen)\s+)?(im jahr {YearRegex}|{YearRegex}|(im\s+)?{RelativeRegex}\s+jahr(es)?))?\b";
       public static readonly string HolidayRegex3 = $@"((dieses jahr)\s*)?(?<holiday>(canberra|columbus|thanks\s*giving|groundhog|bastille|halloween|veterans|memorial|spring|lantern|qingming|dragon boat)\s+(day))(\s+((diesen)\s+)?(im jahr {YearRegex}|{YearRegex}|(im\s+)?{RelativeRegex}\s+jahr(es)?))?";
       public const string DateTokenPrefix = @"am ";
       public const string TimeTokenPrefix = @"um ";
@@ -711,7 +711,7 @@ public static class DateTimeDefinitions
             { @"holythursday", new string[] { @"gründonnerstag", @"himmelfahrt" } },
             { @"memorialdaygermany", new string[] { @"volkstrauertag" } },
             { @"dayofrepentance", new string[] { @"bußundbettag", @"buß-undbettag", @"bussundbettag" } },
-            { @"totensonntag", new string[] { @"totensonntag" } },
+            { @"totensonntag", new string[] { @"totensonntag", @"totenfest", @"ewigkeitssonntag" } },
             { @"firstadvent", new string[] { @"ersteadvent", @"erstenadvent", @"ersteradvent", @"1.advent" } },
             { @"secondadvent", new string[] { @"zweiteadvent", @"zweitenadvent", @"zweiteradvent", @"2.advent" } },
             { @"thirdadvent", new string[] { @"dritteadvent", @"drittenadvent", @"dritteradvent", @"3.advent" } },

.NET/Microsoft.Recognizers.Definitions/Utilities/DefinitionLoader.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System;
 using System.Collections.Generic;
 using System.Text.RegularExpressions;
 

.NET/Microsoft.Recognizers.Text.Choice/Arabic/Extractors/ArabicBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Arabic;

.NET/Microsoft.Recognizers.Text.Choice/Bulgarian/Extractors/BulgarianBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Bulgarian;

.NET/Microsoft.Recognizers.Text.Choice/Chinese/Extractors/ChineseBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Chinese;

.NET/Microsoft.Recognizers.Text.Choice/ChoiceOptions.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System;
 
 namespace Microsoft.Recognizers.Text.Choice
 {

.NET/Microsoft.Recognizers.Text.Choice/ChoiceRecognizer.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using Microsoft.Recognizers.Text.Choice.Arabic;
 using Microsoft.Recognizers.Text.Choice.Bulgarian;
 using Microsoft.Recognizers.Text.Choice.Chinese;

.NET/Microsoft.Recognizers.Text.Choice/Config/BooleanParserConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 
 namespace Microsoft.Recognizers.Text.Choice
 {

.NET/Microsoft.Recognizers.Text.Choice/Config/IChoiceParserConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 
 namespace Microsoft.Recognizers.Text.Choice
 {

.NET/Microsoft.Recognizers.Text.Choice/Constants.cs

@@ -1,4 +1,7 @@
-using System.Diagnostics.CodeAnalysis;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Diagnostics.CodeAnalysis;
 
 namespace Microsoft.Recognizers.Text.Choice
 {

.NET/Microsoft.Recognizers.Text.Choice/Dutch/Extractors/DutchBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Dutch;

.NET/Microsoft.Recognizers.Text.Choice/English/Extractors/EnglishBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.English;

.NET/Microsoft.Recognizers.Text.Choice/Extractors/BooleanExtractor.cs

@@ -1,4 +1,7 @@
-namespace Microsoft.Recognizers.Text.Choice
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Microsoft.Recognizers.Text.Choice
 {
     public class BooleanExtractor : ChoiceExtractor
     {

.NET/Microsoft.Recognizers.Text.Choice/Extractors/ChoiceExtractDataResult.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 
 namespace Microsoft.Recognizers.Text.Choice
 {

.NET/Microsoft.Recognizers.Text.Choice/Extractors/ChoiceExtractor.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;

.NET/Microsoft.Recognizers.Text.Choice/Extractors/IBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Text.RegularExpressions;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Text.RegularExpressions;
 
 namespace Microsoft.Recognizers.Text.Choice
 {

.NET/Microsoft.Recognizers.Text.Choice/Extractors/IChoiceExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 namespace Microsoft.Recognizers.Text.Choice

.NET/Microsoft.Recognizers.Text.Choice/French/Extractors/FrenchBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.French;

.NET/Microsoft.Recognizers.Text.Choice/German/Extractors/GermanBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.German;

.NET/Microsoft.Recognizers.Text.Choice/Hindi/Extractors/HindiBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Hindi;

.NET/Microsoft.Recognizers.Text.Choice/Italian/Extractors/ItalianBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Italian;

.NET/Microsoft.Recognizers.Text.Choice/Japanese/Extractors/JapaneseBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Japanese;

.NET/Microsoft.Recognizers.Text.Choice/Models/BooleanModel.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Linq;
 
 namespace Microsoft.Recognizers.Text.Choice

.NET/Microsoft.Recognizers.Text.Choice/Models/ChoiceModel.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 

.NET/Microsoft.Recognizers.Text.Choice/Parsers/BooleanParser.cs

@@ -1,4 +1,7 @@
-namespace Microsoft.Recognizers.Text.Choice
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Microsoft.Recognizers.Text.Choice
 {
     public class BooleanParser : ChoiceParser<bool>
     {

.NET/Microsoft.Recognizers.Text.Choice/Parsers/ChoiceParseDataResult.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 
 namespace Microsoft.Recognizers.Text.Choice
 {

.NET/Microsoft.Recognizers.Text.Choice/Parsers/ChoiceParser.cs

@@ -1,4 +1,7 @@
-using System.Linq;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Linq;
 
 namespace Microsoft.Recognizers.Text.Choice
 {

.NET/Microsoft.Recognizers.Text.Choice/Parsers/OtherMatchParseResult.cs

@@ -1,4 +1,7 @@
-namespace Microsoft.Recognizers.Text.Choice
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Microsoft.Recognizers.Text.Choice
 {
     public class OtherMatchParseResult
     {

.NET/Microsoft.Recognizers.Text.Choice/Portuguese/Extractors/PortugueseBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Portuguese;

.NET/Microsoft.Recognizers.Text.Choice/Spanish/Extractors/SpanishBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Spanish;

.NET/Microsoft.Recognizers.Text.Choice/Swedish/Extractors/SwedishBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Swedish;

.NET/Microsoft.Recognizers.Text.Choice/Turkish/Extractors/TurkishBooleanExtractorConfiguration.cs

@@ -1,4 +1,7 @@
-using System.Collections.Generic;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 using Microsoft.Recognizers.Definitions.Turkish;

.NET/Microsoft.Recognizers.Text.Choice/Utilities/UnicodeUtils.cs

@@ -1,4 +1,7 @@
-using System.Globalization;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Globalization;
 
 namespace Microsoft.Recognizers.Text.Choice.Utilities
 {

.NET/Microsoft.Recognizers.Text.DataDrivenTests/Choice/TestChoiceRecognizerCache.cs

@@ -1,4 +1,7 @@
-using System.Linq;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Linq;
 using Microsoft.Recognizers.Text.DataDrivenTests;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 

.NET/Microsoft.Recognizers.Text.DataDrivenTests/Choice/TestChoiceRecognizerInitialization.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System;
 using System.Linq;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 

.NET/Microsoft.Recognizers.Text.DataDrivenTests/Choice/TestChoice_Arabic.cs

@@ -1,4 +1,7 @@
-using Microsoft.VisualStudio.TestTools.UnitTesting;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace Microsoft.Recognizers.Text.DataDrivenTests.Choice
 {

.NET/Microsoft.Recognizers.Text.DataDrivenTests/Choice/TestChoice_Bulgarian.cs

@@ -1,4 +1,7 @@
-using Microsoft.VisualStudio.TestTools.UnitTesting;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace Microsoft.Recognizers.Text.DataDrivenTests.Choice
 {

.NET/Microsoft.Recognizers.Text.DataDrivenTests/Choice/TestChoice_Chinese.cs

@@ -1,4 +1,7 @@
-using Microsoft.VisualStudio.TestTools.UnitTesting;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace Microsoft.Recognizers.Text.DataDrivenTests.Choice
 {

.NET/Microsoft.Recognizers.Text.DataDrivenTests/Choice/TestChoice_Dutch.cs

@@ -1,4 +1,7 @@
-using Microsoft.VisualStudio.TestTools.UnitTesting;
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace Microsoft.Recognizers.Text.DataDrivenTests.Choice
 {