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: Two young men playing instruments one with a black hat and black and gold jacket playing a trumpet, the other wearing a lei and a neutral colored shirt playing a saxophone. Sentence 2: The men have their own jazz band.
answer:
Men are playing instruments.

question:
Sentence 1: A group of people pause to review a painting at a museum. Sentence 2: The painting is the Mona Lisa.
answer:
The people are looking at a painting.

question:
Sentence 1: A man is painting a mural along the entrance to an underground garage. Sentence 2: The man was contracted to paint the mural.
answer:
A man is painting on a wall.