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: 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: A very large asteroid is mid-way between the Earth and the moon. Question: In which direction will it be pulled by gravity? (A) towards the moon (B) towards the Earth
[EX A]: towards the moon

[EX Q]: Sentence: A bus left the station fully loaded. The next day after the driver drive to the next town with an empty bus. Question: Which bus would have gotten to 50mph faster? (A) Loaded bus (B) Empty bus
[EX A]:
Loaded bus