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 skateboarder does a stunt in the city. Sentence 2: A skateboarder does a trick for the crowd.
A person is skateboarding in the city.

Sentence 1: A man is cutting something above a sink. Sentence 2: The man is about to cut himself above a sink.
A man is standing next to a sink

Sentence 1: Two men in black, one is holding a drum standing behind a woman with a mask dressed in white with red patterned undergarments towards the bottom and a fan that matches the undergarments. Sentence 2: a family of people at a celebration
three humans together