instruction:
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.
question:
Sentence 1: A group of people are repelling off of a building as a crowd watches on. Sentence 2: The crowd is watching a group of people repel off the buildings.
answer:
The group of people are in a marching band.

question:
Sentence 1: A group of young people are playing band instruments in front of a crowd. Sentence 2: The band is mostly young students who are capable of playing intruments near a crowd.
answer:
The group is not playing anything but instead are watching tv.

question:
Sentence 1: Three teenagers sit next to two older men in Boy Scout uniforms on a stage. Sentence 2: Five people are sitting on a stage.
answer:
The Girl Scouts sit on a stage.