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 knob rolled across a wooden table travels at a lower rate of speed then one rolled across a metal table. Question: Which surface provides more friction to the knob? (A) wooden table (B) metal table

Output: wooden table


Input: Consider Input: Sentence: Mary needs to put a piece of plywood between her bed frame and her mattress.  Her 2 children like to jump on the bed in the morning. Question: Which piece of plywood would be more likely to break when jumped on? (A) the 1/2 plywood slab or (B) the 1 plywood slab?

Output: the 1/2 plywood slab


Input: Consider Input: Sentence: Mike knows that a train is slower then a plane. Question: If he rides both vehicles for 40 minutes, which will have taken him a lesser distance? (A) train (B) plane


Output: train