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: A jet is faster then a prop plane. Question: If both fly around for the same amount of time, which will have gone farther? (A) jet (B) prop plane
Example Output: A

Example Input: Sentence: Mike's truck is slower then his car. Question: If he drives both for an hour on the freeway, which will have gone the smaller distance? (A) truck (B) car
Example Output: A

Example Input: Sentence: The mass of Mars is less than the mass of Neptune. Question: If a brick is dropped from 1 mile up on each planet, where will it fall the fastest? (A) Mars (B) Neptune
Example Output:
B