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.
One example: Sentence: Jacob and Benny are squatting at the gym. Jacob has thin frail legs and Benny has big strong legs. Question: Who squats less weight? (A) Jacob (B) Benny
Solution is here: Jacob
Explanation: Typically, people with thin frail legs squat less weight than people with big strong legs, so the answer is Jacob.

Now, solve this: Sentence: Todd landed on Mercury as part of an historic mission. He saw that Mercury had a very small fraction of the mass of Earth. Question: On which planet will Todd feel less gravitational force? (A) Earth (B) Mercury
Solution:
Mercury