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: Miriam was playing lacrosse in the backyard. She flung the ball and it rolled slowly on the lawn, then quicker when going across the concrete deck floor. Question: Which surface gave less resistance to the ball? (A) lawn (B) concrete deck
Example Output: B

Example Input: Sentence: Linda and Melinda decided to kayak across a lake. Linda made it across the lake before Melinda did. Question: Which one of them didn't go as fast as the other? (A) Linda (B) Melinda
Example Output: B

Example Input: Sentence: Jack and Tom were golfing and they each had their own golf cart. They decided to race to the next hole. Jack's cart was carrying an extra 400 pounds more than Tom's cart. Question: Who got ahead first? (A) Jack (B) Tom
Example Output:
B