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 woman playing a guitar on a makeshift stage, under a tree. Sentence 2: A woman plays guitar.
A woman walks towards the stage.

Sentence 1: A man in a red helmet rollerblades near the beach with two dogs on a leash. Sentence 2: There are rollerbladers on the beach.
A jogger is running with his two dogs.

Sentence 1: A man in a brown shirt is standing on a bridge and pointing while other people walk by. Sentence 2: The man near on the bridge is pointing.

A man is shirtless.