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 worm and a caterpillar are crawling across a fallen tree trunk. The worm is not as speedy as the caterpillar. Question: Which will take longer to get across the tree trunk? (A) worm (B) caterpillar

Ex Output:
A


Ex Input:
Sentence: Jeff held his lantern in his hands while also noticing a lantern on his neighbor's front porch. Question: Which lantern would shine more light on Jeff? (A) Jeff's lantern (B) the neighbor's lantern

Ex Output:
A


Ex Input:
Sentence: A boomerang thrown into a windy sky heats up quite a bit, but one thrown into a calm sky stays about the same temperature. Question: Which surface puts the least amount of friction on the boomerang? (A) windy sky (B) calm sky

Ex Output:

B