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: A man is rowing a canoe with several people on board. Sentence 2: A boat full of people is propelled by a man.
A man captains a motorboat alone.

Sentence 1: A young group of children in uniforms talk to an elderly woman with a bag. Sentence 2: The young group of children are in uniforms
The people are sleep.

Sentence 1: Two runners exit a tunnel. Sentence 2: There are runners leaving a tunnel

The guy was eating chips