You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct option for the given question. Write down the answer index: 'A' or 'B'.

Example Input: Sentence: Joe left his house at nine A.M. and had been driving for hours by the time Sue finally got on the road at 1:00 P.M. By 2:00 P.M., Question: who had driven the furthest amount of miles? (A) Joe had driven the furthest (B) Sue had driven the furthest
Example Output: A

Example Input: Sentence: Bob took his toy car outside to play with it. He rolled it on the street and then he rolled it in the grass. He noted that the toy car rolled much faster in the street. Question: Which surface caused more friction? (A) The street (B) The grass
Example Output: B

Example Input: Sentence: Jason has just woken up from a coma and needs to learn to use his arms and legs again.  He goes to the park to throw a ball with his friend Andy. Question: Who can throw the ball harder? (A) Jason (B) Andy
Example Output:
B