TASK DEFINITION: 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: Jupiter is much bigger than Mercury. Question: On which planet would you weigh more? (A) Jupiter (B) Mercury

SOLUTION: Jupiter

PROBLEM: Sentence: A matchbox can slide across a greenhouse floor, but it doesn't move as fast as when it is slid across the backyard. Question: Which surface is the smoother one? (A) greenhouse floor (B) backyard

SOLUTION: greenhouse floor

PROBLEM: Sentence: A panther running through a forest has a rougher time then one running through the jungle. Question: Which area will make the panther get hotter as he runs? (A) jungle (B) forest

SOLUTION:
forest