Update README.md

README.md

@@ -42,7 +42,7 @@ question = tg.Variable(question_string,
                        role_description="question to the LLM", 
                        requires_grad=False)
 
-answer = model(question)
+answer = model(question_string)
 ```
 
 > :warning: **answer: To determine how long it will take to dry 30 shirts under the sun,** 
@@ -265,4 +265,4 @@ Many existing works greatly inspired this project! Here is a non-exhaustive list
   author={Mert Yuksekgonul and Federico Bianchi and Joseph Boen and Sheng Liu and Zhi Huang and Carlos Guestrin and James Zou},
   year={2024},
 }
-``` 
+```