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).

Q: Sentence: Marla is running around the track, while her mom lags behind pushing the baby's stroller. Question: Who take a longer time to make a lap? (A) Marla (B) her mom

A: Marla
****
Q: Sentence: Dan is a professional athlete. Joann is a middle-aged accountant. Question: If they were both to throw a football, who is more likely to throw it farther? (A) Dan (B) Joann

A: Joann
****
Q: Sentence: Debbie was exercising with a giant exercise ball. It rolled out from under her and rolled on the frictionless gym floor. She retrieved it and started again, but this time it rolled onto a rough rubber mat. Question: Which surface was smoother? (A) gym floor (B) rubber mat

A:
rubber mat
****