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: Mark was driving through a construction zone where a loud drill was being used. He first had to drive right next to the construction site, then he turned onto a side road. Question: Where would the noise of the drill be the loudest? (A)next to construction site(B)side road

Ex Output:
A


Ex Input:
Sentence: A sapling and an older tree are standing in a forest. The older tree's trunk is wider than the sapling's trunk. Question: In a windstorm, which will stand up longer? (A) sapling (B) older tree

Ex Output:
B


Ex Input:
Sentence: Jane tested a tennis ball on two different surfaces, observing the different results. First, she skidded a tennis ball across a slick hard court, and then across a shaggy grass court. Question: Skidding produces more heat on which surface? (A) hard court (B) grass court

Ex Output:

B