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 leather glove sliding along a door knob doesn't experience as much friction as one sliding along a grab bar. Question: Which surface will let the glove slide a greater distance? (A) door knob (B) grab bar
[EX A]: grab bar

[EX Q]: Sentence: A piece of steak if thicker then a piece of paper. Question: Which object is harder to rip in half? (A) steak (B) paper
[EX A]: paper

[EX Q]: Sentence: Greg and Lisa both live 2 miles from the library. Greg takes off on foot. Lisa uses a scooter. Question: Who gets there first? (A) Greg (B) Lisa
[EX A]:
Greg