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.

Sentence 1: A man in a white shirt is standing next to a cart with a green tarp and a filled sack on top. Sentence 2: A man is canoeing down the river.
A person is next to some objects.

Sentence 1: A man running down a crowd lined street in a marathon. Sentence 2: An elderly woman sits alone in her bedroom.
People watch runners pass by.

Sentence 1: Person smiles at child inside of playground structure. Sentence 2: The person frowns upon the children.

There are people at the playground.