instruction:
In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 man in a judge costume stand on a red truck and hangs a dummy. Sentence 2: A radical group of anarchists is staging a mock trial and execution to make a political statement.
answer:
An effigy hanging.


question:
Sentence 1: Two girls clean the glass windows of an entryway while another woman speaks to them. Sentence 2: Two girls wearing scarves cleaning glass while a woman speaks to them.
answer:
Two girls cleaning glass while a woman speaks to them.


question:
Sentence 1: A young man with long brown hair and a white shirt sings into a microphone Sentence 2: A man sings a Michael Jackson song at the karaoke bar.
answer:

A singer uses a microphone.