instruction:
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).
question:
Sentence: Mary knows that a bucket is not as rough as a pail. Question: Which surface will allow her popcorn to slide around more? (A) bucket (B) pail
answer:
pail


question:
Sentence: Dave notice that when taking batting practice the baseball moves slower on the natural grass of the team's practice field than on the artificial grass of the stadium. Question: Which surface has more resistance? (A) the artificial grass or (B) the natural grass
answer:
the artificial grass


question:
Sentence: Justine raises pigeons. She releases two of them from a cage at the same time, to have them race. The white pigeon is faster than the grey pigeon. Question: Which pigeon goes a greater distance? (A) white pigeon (B) grey pigeon
answer:

grey pigeon