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: A globe rolling around on a library floor experiences less resistance then one rolling around on a study floor. Question: Which floor will cause the globe to heat up less when rolled across it? (A) study floor (B) library floor
answer:
study floor


question:
Sentence: The pharaoh lounged lazily on his spacious throne while a slave girl walked back and forth to the table to bring him grapes. Question: Who will sweat less? (A) the pharaoh (B) the slave girl
answer:
the slave girl


question:
Sentence: An explosion happens on Mars. And explosion also happens on earth. Question: Which explosion is quieter? (A) Earth (B) Mars
answer:

Earth