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 white dog runs on the grass. Sentence 2: A white animal is outdoors.
A black cat sits in the hedges.

Sentence 1: Two soccer players from opposing teams trying to get control of the ball before the other player does. Sentence 2: Two soccer plays fighting for control of the ball
The quarterback throws the football.

Sentence 1: A man playing accordion on the street Sentence 2: man plays accordion

dog sleeps on couch