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).

Example Input: 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
Example Output: The blue bus

Example Input: Sentence: Sam stands 100 feet away from John and yells John's name. She moves to 100 yards away from John and yells his name. Question: At what point will Sam's voice sound less loud? (A) 100 feet (B) 100 yards
Example Output: 100 feet

Example Input: Sentence: A tortoise and a hare decided to race each other and the tortoise was slower. Question: Halfway through the race, which one had travelled further? (A) the tortoise (B) the hare
Example Output:
the tortoise