Instructions: 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: Sentence: Bob has two almost identical toy wagons that his dad built for him, one red one and one blue one. He's piled a bunch of toys and other objects in both of them. He pushes the blue one and it easily goes fast across the patio. He pushes the red one, and it barely gets moving. Question: Which one has a lighter load? (A) the red wagon (B) the blue wagon
Output:
the blue wagon