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: Ada was playing kickball. She kicked a ball into the gravel and noticed it was warm when she picked it up. She kicked it again onto a grassy hill, but this time the ball wasn't very hot when she retrieved it. Question: In which surface did the ball travel the most? (A) gravel (B) grassy hill
answer:
gravel


question:
Sentence: The pot roast should be put on first and the biscuits last in order to make sure they are both ready to serve at the same time. Question: Which food items takes a while to cook? (A) pot roast (B) biscuits
answer:
biscuits


question:
Sentence: A group of kids are playing in the snow on a winter day. They roll up some snow into a huge snowball and roll up some snow into a smaller snowball that is about half the size of the larger snowball. Some of the kids push the huge snowball and some of them push the smaller snowball. Question: Which snowball will take longer to get up to a fast speed? (A) smaller snowball (B) huge snowball
answer:

smaller snowball