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: Two cannonballs were being shot from a cannon to celebrate a holiday. The first cannonball weighed twice as much as the second. Question: Which one left the cannon at a higher rate of speed? (A) the first cannonball (B) the second cannonball

Ex Output:
B


Ex Input:
Sentence: Gavin is wanting to cross a creek to get home. There are two bridges close to each other and he sees that one has very solid boards making it up, while the other has some boards that are worn down to slivers. Question: Which boards are more likely to break if Gavin walks across them? (A) solid boards (B) worn boards

Ex Output:
B


Ex Input:
Sentence: A bus left the station fully loaded. The next day after the driver drive to the next town with an empty bus. Question: Which bus would have gotten to 50mph faster? (A) Loaded bus (B) Empty bus

Ex Output:

B