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: Fezzik the strong giant and Inigo the not as strong swordsman are having a contest. Each one throws a rock as far as he can. Question: Who can throw farther? (A) Fezzik (B) Inigo

Ex Output:
A


Ex Input:
Sentence: Diana and Dave are aboard the same train after getting on at the same station. Question: If Diana gets out of the train one stop before Dave, who traveled a shorter distance? (A) Diana (B) Dave.

Ex Output:
A


Ex 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

Ex Output:

A