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: A group of young men is buried up to their chest in sand. Sentence 2: A group of guys buried in the sand.
A group of young men swim in the ocean.

Sentence 1: A man wearing a yellow t-shirt is shouting into a microphone while an audience is listening. Sentence 2: A man has a microphone.
A man sleeps in his bed.

Sentence 1: a latino teacher wearing a green shirt is trying to throw a dart in his classroom. Sentence 2: A latino teacher is wearing a green shirt

A latino teacher is not wearing a green shirt