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.

[Q]: 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]: A teacher is talking to her classroom.


[Q]: Sentence 1: A dachshund puppy jumps on a bed. Sentence 2: A dog is in the air.
[A]: A dog is sleeping in the den.


[Q]: Sentence 1: Two dogs play tug-of-war with a disc, in knee-high water. Sentence 2: There are two animals with wet legs who are playing with each other.
[A]:
Two dogs play tug-of-war with a disc on a dry sidewalk.