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.

Sentence: Two identical airplanes, except for their colors, are in the sky. The black and white one looks smaller than the blue one. Question: Why? (A) the black and white one is higher in the sky (B) the blue one is higher in the sky
B

Sentence: Arnie's muscles on his upper arms are very thick, while Davy's upper arms are thin. Question: Who is likely to be stronger? (A) Arnie is stronger (B) Davy is stronger
B

Sentence: Jimbo knows that the surface of his coffee table isn't as rough as the surface of his floor. Question: When he slides his doily across both surfaces, which will force the doily to travel at a lower rate of speed? (A) coffee table (B) floor

A