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: It looked dark outside while in the empty restaurant, a young guy dressed in black sat in a booth playing the harmonica. Sentence 2: A young man is playing the harmonica.
A man with a harmonica in his pocket is walking down the street.

Sentence 1: A group of young men is buried up to their chest in sand. Sentence 2: A group of guys buried in the sand.
A group of young men swim in the ocean.

Sentence 1: A young woman writes a message in chalk on the pavement. Sentence 2: The woman is outdoors.

The woman is indoors.