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.

Sentence 1: There is an old man knitting hats while sitting on a pile of rocks. Sentence 2: old man knitting hat while sitting on a pile of rock
man eating dinner at a beach side restaurant

Sentence 1: A man with a name tag on is sitting in a chair. Sentence 2: A man has a name tag
A man is sleeping.

Sentence 1: A young boy is playing in a stream bed Sentence 2: There is a young boy.

The boy is walking.