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.
--------
Question: 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

Answer: forest floor


Question: Sentence: Diana and Dave are aboard the same train after getting on at the same station. Question: If Diana gets out of the train one stop before Dave, who traveled a shorter distance? (A) Diana (B) Dave.

Answer: Diana


Question: Sentence: A desk is less bumpy then a table. Question: Which surface will allow a computer to move faster when slid across it? (A) desk (B) table

Answer:
desk