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.

[EX Q]: Sentence: Two kids are chatting across the playground. They are harder to hear than the group of kids chatting right next to you. Question: Why is that? (A) They all sound the same (B) They are farther away
[EX A]: They are farther away

[EX Q]: Sentence: The wheels of a shopping cart heat up quite a bit when rolling through the parking lot, but quite a bit less when rolling around on the store floor. Question: Which surface is providing less friction? (A) parking lot (B) store floor
[EX A]: store floor

[EX Q]: Sentence: Neptune is one of the largest planets in the solar system. Question: Which object has stronger gravity? (A) Mercury (B) Neptune
[EX A]:
Neptune