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: A biker in uniform suspended in air in front of a crowd of people. Sentence 2: A biker is wearing a police uniform.
A human is suspended in air.

Sentence 1: Children and adults standing outside with balloon animals. Sentence 2: The children hold a balloon dog.
There are people outside

Sentence 1: A man in a colorful button-up t-shirt is pouring what appears to be barbecue sauce onto something. Sentence 2: A man pours sauce onto some pork chops.

A man is wearing a shirt.