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.

Q: Sentence: John smashes his ex-girlfriend's car with a rubber mallet and a Styrofoam mallet. Question: Which mallet is less likely to break? (A) rubber mallet (B) Styrofoam mallet

A: rubber mallet
****
Q: Sentence: A shopping cart rolls by itself across a parking lot. Then it gets to a field. The cart rolls only a little more after it enters the field. Question: Why does this happen? (A) the parking lot is a rougher surface (B) the field is a rougher surface

A: the field is a rougher surface
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Q: Sentence: A slice of bread can slide a greater distance across a serving plate then across a floor. Question: Which surface provides more friction to the slice of bread? (A) serving plate (B) floor

A:
floor
****