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 in a white shirt plays a black guitar. Sentence 2: The woman is performing a musical piece.
The woman is practicing on a set of drums.

Sentence 1: Group of men in blue uniform are emptying supplies off the cargo plane. Sentence 2: The men are wearing blue
The men are sitting in a plane

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.