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: small long-haired child trying to clean a window. Sentence 2: A small child is trying to clean the window.
The toddler is licking the window with his tongue.

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 puppy has a stick in its mouth. Sentence 2: There is a puppy.

A puppy is dancing.