You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.

Example Input: Sentence: Two bunnies, a white one and a black one, are hopping along together. The black bunny goes further than the white one. Question: Which bunny is faster? (A) white bunny (B) black bunny
Example Output: black bunny

Example Input: Sentence: The Flash and The Hulk decide to race each other. The Flash is the fastest being in the galaxy. They agree to sprint for 1 min. Question: Who wins the race? (A) The Hulk (B) The Flash
Example Output: The Flash

Example Input: Sentence: The Moon has less mass then the Earth. Question: Which body emits a weaker gravitational field? (A) Moon (B) Earth
Example Output:
Moon