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 neither agree nor 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: Black man working on a plywood stage. Sentence 2: A man is working on a stage
A man is cleaning the theater

Sentence 1: A person grinding a ledge on a skateboard. Sentence 2: A person skateboarding
A person competing

Sentence 1: A musical group performing before a large audience. Sentence 2: a group putting on a performance

a group putting on a performance for a school run play