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: Lane is testing how strong gravity pulls on different objects. She drops a brick and a penny from a roof at the same time. Question: Which has larger mass and hits the ground first? (A) brick (B) penny
Example Output: A

Example Input: Sentence: Melanie is attending a special occasion. As she gets out of the car, she hears her gown being torn. Question: The gown is likely? (A) Velvet Gown (B) Satin Gown
Example Output: B

Example Input: Sentence: Jupiter is much bigger than Mercury. Question: On which planet would you weigh more? (A) Jupiter (B) Mercury
Example Output:
A