uncommon-words-from-two-sentences.md

<p>We are given two sentences <code>A</code> and <code>B</code>.&nbsp; (A <em>sentence</em>&nbsp;is a string of space separated words.&nbsp; Each <em>word</em> consists only of lowercase letters.)</p>

<p>A word is <em>uncommon</em>&nbsp;if it appears exactly once in one of the sentences, and does not appear in the other sentence.</p>

<p>Return a list of all uncommon words.&nbsp;</p>

<p>You may return the list in any order.</p>

<p>&nbsp;</p>

<ol>
</ol>

<div>
<p><strong>Example 1:</strong></p>

<pre>
<strong>Input: </strong>A = <span id="example-input-1-1">&quot;this apple is sweet&quot;</span>, B = <span id="example-input-1-2">&quot;this apple is sour&quot;</span>
<strong>Output: </strong><span id="example-output-1">[&quot;sweet&quot;,&quot;sour&quot;]</span>
</pre>

<div>
<p><strong>Example 2:</strong></p>

<pre>
<strong>Input: </strong>A = <span id="example-input-2-1">&quot;apple apple&quot;</span>, B = <span id="example-input-2-2">&quot;banana&quot;</span>
<strong>Output: </strong><span id="example-output-2">[&quot;banana&quot;]</span>
</pre>

<p>&nbsp;</p>

<p><strong>Note:</strong></p>

<ol>
	<li><code>0 &lt;= A.length &lt;= 200</code></li>
	<li><code>0 &lt;= B.length &lt;= 200</code></li>
	<li><code>A</code> and <code>B</code> both contain only spaces and lowercase letters.</li>
</ol>
</div>
</div>