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.

Sentence 1: A young man tends to his chainsaw. Sentence 2: The man just finished using the chainsaw.
People on the beach.

Sentence 1: A person climbing a large moss-covered rock Sentence 2: There is a person on top of a large rock pulling someone else up.
A person is climbing a rock.

Sentence 1: A man with an arm cast films something on video while another man is looking at the camera. Sentence 2: A young man filming a deer on the side of the road.

A man films another man.