Q: 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: Graviton is twice as massive as Thanos. Question: Which will exert more of a pull on atoms? (A) Graviton (B) Thanos
A:
Graviton