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.

Q: Sentence: Shawna and Lynn are on a tandem bicycle. Shawna is pedaling furiously, while Lynn is barely moving and letting Shawna do most of the work. Question: Which of the two will show perspiration stains on her shirt first? (A) Shawna (B) Lynn

A: B
****
Q: Sentence: A table is less rough then a lap. Question: Which surface will cause a napkin to heat up more when slid across it? (A) lap (B) table

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

A:
A
****