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: One of Sarah's neighbors spilled dog food all over the stairs. The dog food pieces are on three stairways and all over the landings. Sarah gets mad and kicks a piece of dog food. The dog food flies across the wooden planks from one side of the staircase landing to the other. The dog food reaches the neighbor's door mat. It moves a few inches across the doormat. Question: Why didn't the dog food move further across the doormat? (A) The door mat is a spikier surface (B) the staircase landing is a spikier surface
[A]: B


[Q]: Sentence: Lisa and Melissa were each doing different exercise routines. After 1/2 hour, Lisa was dripping sweat and Melissa was still dry. Question: Who did the harder workout? (A) Melissa (B) Lisa
[A]: A


[Q]: Sentence: Janet is rolling marbles down a marble counter. Two marbles are rolled together; one blue, one yellow. The blue marble goes further. Question: Which marble traveled longer? (A) blue marble (B) yellow marble
[A]:
B