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'.

Ex Input:
Sentence: Joe and Mike are throwing rocks at the lake. Question: If Mike is a lot stronger than Joe, who will be more likely to throw a rock further? (A) Joe (B) Mike.

Ex Output:
B


Ex Input:
Sentence: Justine raises pigeons. She releases two of them from a cage at the same time, to have them race. The white pigeon is faster than the grey pigeon. Question: Which pigeon goes a greater distance? (A) white pigeon (B) grey pigeon

Ex Output:
A


Ex Input:
Sentence: Kevin took a plane from NY to Chicago while Esther took a plane from NY to LA which takes longer at the same speed. Question: Who travelled further? (A) Kevin (B) Esther

Ex Output:

B