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 men with long hair are sitting on the ground. Sentence 2: Two guys are sitting waiting for a bus.
answer:
Two guys are sitting down.


question:
Sentence 1: A man climbing a mountain. Sentence 2: The man was in a group who climbed the mountain.
answer:
The man climbed the mountain.


question:
Sentence 1: Two men are singing and playing guitars outside a cement structure with spectators sitting on steps on their left. Sentence 2: Two street performers sing while people watch.
answer:

There is a group watching two men play guitar and sing.