In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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: Two children wearing a uniform of pink shirts and blue pants are standing in a grassy field at an event. Sentence 2: Two children are friends
Two children are standing at an event

Sentence 1: A man in a public road workers uniform sprays water. Sentence 2: A man sprays water as to cool down the hot tar outside.
There is a person outside.

Sentence 1: The legs of several people walking past an alley. Sentence 2: The alley is dark, dangerous, and deserted.

The people are using their legs to move from place to place.