Q: 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.
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
A:
rubber floor