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 man blays with a black dog and a yellow ball. Sentence 2: The dog is a poodle.
A man plays with a black dog.

Sentence 1: A person sitting on a lift over water with another person handing a bag to them. Sentence 2: A person sitting with their friends.
A person sitting.

Sentence 1: Four males with camera equipment and backpacks inside a warehouse with puddles on water on the floor and graffiti on the walls. Sentence 2: Some men photograph the inside of a warehouse.

The building has nothing in it but grafitti.