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: Mary's kitchen floor is slicker then her hallway floor. She was feeding her dogs one day and some kibble slid across both surfaces. Question: Which surface caused the kibble to heat up less? (A) kitchen floor (B) hallway floor
answer:
hallway floor


question:
Sentence: Carl has a house on the beach. One night, a big yacht is making a lot of noise because people are partying on it near the shore. It then drives out to sea. Question: When would Carl hear the yacht the most? (A) when its at shore (B) when its at sea
answer:
when its at sea


question:
Sentence: A comet has been flung to the center of the solar system between the Sun and Mercury. The Sun is magnitudes larger in terms of mass than is Mercury. Question: Which body has the higher amount of gravitational pull and will pull the comet into its orbit? (A) The Sun (B) Mercury
answer:

Mercury