You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.

Example Input: Sentence: Jim was pulling a trailer full of lemons behind his ATV. He was riding with his friend Bill who had nothing behind his ATV. They were trying to speed up to get home because it looked like it was going to rain. Question: Who was able to pull ahead of the other? (A) Jim (B) Bill
Example Output: Bill

Example Input: Sentence: A steel ball has a greater mass then a pebble. Question: Which object has a stronger gravitational field? (A) steel ball (B) pebble
Example Output: steel ball

Example Input: Sentence: Matt knows that the air indoors is calmer then the air outdoors. Question: Which area will he be forced to throw his frisbee slower in? (A) indoors (B) outdoors
Example Output:
outdoors