You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).

Example Input: Sentence: Bobby's grandparents have given him a box full of toys. They tell him to come pick the toys up in his wagon and pull the wagon home. The empty wagon is very light to Bobby, but once he puts the toys in it, he notices that it feels very weighed down. Question: In which situation will Bobby have more trouble getting the wagon to reach a quick speed from a stopped position? (A) when the wagon is empty (B) when the wagon is filled up with toys.
Example Output: when the wagon is empty

Example Input: Sentence: Jessica is playing baseball. She throws the ball and it rolls in the dirt path and into the outfield. The dirt has more resistance than the outfield. Question: Which surface has a more uniform surface? (A) dirt (B) outfield
Example Output: dirt

Example Input: Sentence: John looked up and saw both the sun and moon in the sky. The sun was closer to him then the moon was. Question: Which object appeared brighter to him? (A) sun (B) moon
Example Output:
moon