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: The planet Earth has more mass then the plant Venus. Question: Which plant has stronger gravity emitting from it? (A) Earth (B) Venus
Example Output: A

Example Input: Sentence: Rhonda throws a baseball over the fence as hard as she can to her friend next door, Sally. Sally catches the ball. Sally then throws the ball back to Rhonda, as hard as she can, but the ball doesn't make it all the way to Rhonda. Question: Which girl has more strength in her arm? (A) Rhonda (B) Sally
Example Output: A

Example Input: Sentence: A potato rolling on a cutting board experiences low resistance, while one rolling around on a wood floor experiences high resistance. Question: Which surface allows the potato to roll a greater distance? (A) cutting board (B) wood floor
Example Output:
A