instruction:
You are given a sentence, a question and two answer options. Your task is to write down the index ('A' or 'B') of the **incorrect** option for the given question.
question:
Sentence: The mass of Mars is less than the mass of Neptune. Question: If a brick is dropped from 1 mile up on each planet, where will it fall the fastest? (A) Mars (B) Neptune
answer:
A

question:
Sentence: Bob was cleaning with a scrub brush. He cleaned both tile and carpet. He noted that the carpet caused more friction. Question: Which surface would cause the scrub brush to scrub with less speed? (A) The carpet (B) The tile
answer:
B

question:
Sentence: Atreyu saw two pin-prick green dots in the dark cave far ahead. As he got closer, he saw they were the glowing eyes of the Gmork. When the Gmork lunged at him, Atreyu saw its eyes were very green, very hungry, and very bright. Question: When did Gmork's eyes appear dimmer? (A) when they were near (B) when they were far
answer:
A