Given the task definition and input, reply with output. 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.

Sentence: A new planet has been discovered with two moons circling it. One is reddish and the other is black and gold. Scientists saw that asteroids were more attracted to the black and gold moon. Question: Which of the moons has weaker gravity? (A) the reddish moon (B) the black and gold moon
the reddish moon