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 musician with a guitar on stage in front of a microphone gesturing to the crowd with the drummer in the background. Sentence 2: A musician is on a stage.
A musician with a guitar is packing up the guitar into a case.

Sentence 1: A young man carrying a big bag of clothing is standing in an alley and talking on a cellphone. Sentence 2: Young man talking on cellphone
An old man is jogging

Sentence 1: A man overlooking a city. Sentence 2: The person looking at city.

The man is on the roof trying to look thru a window to see a naked person.