In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair contradict each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.

Sentence 1: A child in a blue and red jacket is racking a pile of leaves. Sentence 2: A child in a jacket is racking.
A child in a blue and red jacket is playing outside.

Sentence 1: A soccer player prepares for a corner kick. Sentence 2: The soccer player is playing soccer.
The soccer player is sitting out this game.

Sentence 1: One girl is standing on the street, and the other is crouching looking at something on the ground. Sentence 2: A girl is preoccupied with something on the ground.

A teacher is talking to her classroom.