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).

[EX Q]: Sentence: Sandy's workouts are short and sweet, but her friend Margaret spends hours every day working out. Question: Of the two friends, who perspires less? (A) Sandy perspires less (B) Margaret perspires less
[EX A]: Margaret perspires less

[EX Q]: Sentence: Anna saved some peas from her school lunch and carried them around the school. When she went to gym, she rolled a pea on the rubber floor. When she picked up the pea, it was cool. Later she rolled a pea on the berber carpet she sat on for storytime. When she picked up the pea, it was warmer than the pea had been on the gym floor. Question: She concluded that which surface has less friction? (A) rubber floor (B) berber carpet
[EX A]: berber carpet

[EX Q]: Sentence: Flash the superhero is the fastest man in the world. He races a bear. Question: Who wins this race? (A) Flash (B) Bear
[EX A]:
Bear