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: 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

Answer: B

Question: Sentence: Rubbing your finger across a trackpad is very easy, but rubbing it across a piece of sandpaper results in high friction. Question: Which surface will let you rub your finger a greater distance? (A) trackpad (B) sandpaper

Answer: B

Question: Sentence: Sue and Becky live together but want to go to the store separately. Question: If they leave the house at the same time, who will take longer to get to the store if Sue is driving her car and Becky is walking? (A) Sue (B) Becky.

Answer:
A