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: Several people at an outdoor picnic. Sentence 2: Humans in a group.
A single man eats alone.

Sentence 1: Crowd of people walk around on a brick paved shop lined street. Sentence 2: People are walking.
People sit around a fireplace.

Sentence 1: A young girl wearing a blue sweatshirt smiles as her hair is up in the air. Sentence 2: YOung girl is happy and her hair is in the air.

Young girl is angry.