Detailed Instructions: 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.
Problem:Sentence: Pluto has a smaller mass then Venus. Question: Which planet emits less gravity? (A) Venus (B) Pluto
Solution:
Pluto