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).
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Question: Sentence: Karen was running late so she knew she should take the red bus instead of the blue one. Question: Which bus is more likely to be the express bus? (A) The red bus (B) The blue bus

Answer: The blue bus

Question: Sentence: David was playing whiffleball in the backyard. He hit the ball and it rolled quickly on the soil. He then hit the ball again and it rolled more slowly in a mulched area. Question: Where would the ball roll the longest distance? (A) soil (B) mulch

Answer: mulch

Question: Sentence: A pebble sinks smoothly into a pond, but not into an ocean. Question: Which surface will the pebble plunge deeper into? (A) pond (B) ocean

Answer:
ocean