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: Saturn has greater mass than the Moon of Earth. Question: On which one would you experience stronger gravity? (A) Saturn (B) the Moon

Ex Output:
A


Ex Input:
Sentence: A soccer ball has distinctly less mass then a planet. Question: Which item emits a weaker gravitational field? (A) planet (B) soccer ball

Ex Output:
B


Ex Input:
Sentence: A marker writes at a slow rate of speed over soft paper and a high rate of speed over hard paper. Question: Which paper offers more resistance? (A) soft paper (B) hard paper

Ex Output:

A