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.

[EX Q]: Sentence: A grassy field offers a smoother journey to a rabbit then a rocky path. Question: Which surface will let the rabbit stay cooler as it runs along it? (A) grassy field (B) rocky path
[EX A]: B

[EX Q]: Sentence: A little boy rolls two of his rubber balls down the hallway. The red ball stops before the blue one does. Question: Which one rolled the furthest? (A) Red ball (B) blue ball.
[EX A]: A

[EX Q]: Sentence: Sarah was playing jacks on the rug. The ball bounced away and rolled on the rug, then onto the linoleum kitchen floor nearby. The rug had more resistance than the kitchen floor. Question: Which surface was smoother? (A) rug (B) linoleum kitchen floor
[EX A]:
A