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 man in his office, is staring intently at the computer screen, while holding a red pen in his left hand. Sentence 2: A man in his office, is staring intently at the computer screen
A man in his office, is not staring intently at the computer screen

Sentence 1: Various people sitting and talking in a room. Sentence 2: there are variety of people giving presentation and doing discussions
A girl catching a bus in the city.

Sentence 1: Some young people are hanging out at night outside a building. Sentence 2: Some kids are outside.

Some kids are staying at home tonight.