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: Man in blue jack, sleeping or passed out on a red public bench. Sentence 2: Person resting on a bench.
Man in blue jack, sleeping or passed out on a brown public bench.

Sentence 1: Some young people are hanging out at night outside a building. Sentence 2: Some kids are outside.
Some kids are staying at home tonight.

Sentence 1: A group of girls high-five each other outside of a stone building. Sentence 2: A group of girls are gathering by the building.

A boy is playing ball outside.