In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with 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.

Q: Sentence 1: Dark-haired man singing into a microphone and playing a guitar outside. Sentence 2: A man is juggling knives on stage.

A: A man is performing.
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Q: Sentence 1: A group of people have gathered to watch a street performer. Sentence 2: A group of people nap underneath some trees.

A: A group of people watch a performer.
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Q: Sentence 1: A black and white dog playing with a white ball in a sparse brown field. Sentence 2: A cat chases a ball through the field.

A:
A dog plays with a ball outdoors.
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