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: A possum can run very quickly along the forest floor, but not so fast along the tree tops. Question: Which surface puts less resistance on the possum's paws? (A) tree top (B) forest floor
Solution:
forest floor