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 person in a dark outfit is walking down a stairwell which contains a shadow of an object. Sentence 2: Wearing dark clothes, the person walked down the stairs.
The man ran up the stairs, all the while not knowing whom he was chasing, although floodlights brightly lighted the stairwell.

Sentence 1: Woman by building in short coat with other building in view. Sentence 2: The woman is wearing a coat.
A man in a trench coat with building in view.

Sentence 1: Three young women in dresses play the violin on a stage. Sentence 2: Three young violinists are playing on stage

Two trumpeteers are blasting loudly in a band room