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: Todd landed on Mercury as part of an historic mission. He saw that Mercury had a very small fraction of the mass of Earth. Question: On which planet will Todd feel less gravitational force? (A) Earth (B) Mercury
Example Output: B

Example Input: Sentence: James is a submarine operator who knows that the pacific ocean isn't as rough as the atlantic ocean. The atlantic ocean has more friction. Question: Which ocean can he drive his submarine quicker in? (A) pacific ocean (B) atlantic ocean
Example Output: A

Example Input: Sentence: Stabbing a fork into a steak causes it to move slower then stabbing it into a muffin. Question: Which surface provides less resistance? (A) muffin (B) steak
Example Output:
A