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.

Input: Consider Input: 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

Output: forest floor


Input: Consider Input: Sentence: The glassblower mistakenly let the liquid glass become too hard and when he tried to manipulate its shape, it snapped. Question: Which glass could be shaped and bent more easily? (A) The liquid glass (B) The hardened glass

Output: The liquid glass


Input: Consider Input: Sentence: A little boy rolls two of his rubber balls down the hallway. The red ball stops before the blue one does. Question: Which one rolled the furthest? (A) Red ball (B) blue ball.


Output: blue ball