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 Input:
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

Ex Output:
smaller snowball


Ex Input:
Sentence: A segway can travel a much greater distance inside a shopping mall before needing a recharge then when it is cruising around outside on the street. Question: Which surface is rougher? (A) shopping mall (B) street

Ex Output:
shopping mall


Ex Input:
Sentence: A penguin can run faster then a panda. Question: If both animals run for 10 minutes, which will have gone the greater distance? (A) penguin (B) panda

Ex Output:

panda