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: The German shepherd dog is running through the snow. Sentence 2: The German shepherd dog is running
The German shepherd dog is sleeping in his bed

Sentence 1: A child is sliding down a hill on a sled. Sentence 2: The child was outdoors.
A child is sliding up a hill on a sled.

Sentence 1: A man with no short and red pants is laying down on a sidewalk. Sentence 2: The man is bare chested.

The man is laying down on the sand at the beach.