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: A glider and a bird are both cruising through the sky at the same rate of speed. Question: If the bird gets tired and lands before the glider, which will have travelled the least distance? (A) glider (B) bird

Ex Output:
B


Ex Input:
Sentence: The average NFL quarterback is 6'4. The average middle school girl is 5'3. Question: Who can throw a football longer? (A) Middle School Girl (B) QB

Ex Output:
B


Ex Input:
Sentence: Rod and Danny are running down the road.  Danny is not as fast. Question: After five minutes, who has gone farther? (A) Rod (B) Danny

Ex Output:

A