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: Jeff is walking through the park. Betty is running on the same path. Question: After an hour, who has gone farther? (A) Jeff (B) Betty
answer:
Jeff

question:
Sentence: Nick and Natalie are watching TV. Nick gets up and does jumping jacks for 20 min. Natalie does nothing. Question: Who ends up sweating more? (A) Natalie (B) Nick
answer:
Natalie

question:
Sentence: A paper towel is placed over a cup. So is a sheet of iron. Question: Which surface will be easier to drill through? (A) Iron (B) Paper Towel
answer:
Iron