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: One of Sarah's neighbors spilled dog food all over the stairs. The dog food pieces are on three stairways and all over the landings. Sarah gets mad and kicks a piece of dog food. The dog food flies across the wooden planks from one side of the staircase landing to the other. The dog food reaches the neighbor's door mat. It moves a few inches across the doormat. Question: Why didn't the dog food move further across the doormat? (A) The door mat is a spikier surface (B) the staircase landing is a spikier surface

Answer: the staircase landing is a spikier surface


Question: Sentence: Bob and Sue were walking down the sidewalk and heard an air conditioner in the distance.  As they walked closer, they noticed they couldn't hear each other over it. Question: When was it loudest? (A) when the air conditioner was far away (B) when the air conditioner was nearer

Answer: when the air conditioner was far away


Question: Sentence: Saturn has greater mass than the Moon of Earth. Question: On which one would you experience stronger gravity? (A) Saturn (B) the Moon

Answer:
the Moon