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: A steel car weighs more then an aluminum car. Question: If both are racing, which will take longer to get up to top speed? (A) aluminum car (B) steel car
[EX A]: aluminum car

[EX Q]: Sentence: A possum can run very quickly along the forest floor, but not so fast along the tree tops. Question: Which surface puts less resistance on the possum's paws? (A) tree top (B) forest floor
[EX A]: tree top

[EX Q]: Sentence: John throws a rubber ball and a glass ball against a brick wall. Question: Which ball is least likely to break? (A) Rubber ball (B) Glass ball
[EX A]:
Glass ball