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 snowboarder in black and yellow is jumping on a purple snowboard. Sentence 2: There is a snowboarder wearing black and yellow doing a jump
There is a snowboarder wearing black and green

Sentence 1: There is a shirtless toned white man standing on a balcony of a construction site and holding some sort of tool. Sentence 2: A shirtless man is working construction.
The shirtless toned man is black.

Sentence 1: A man smoking a cigarette standing in an empty pool. Sentence 2: A human is smoking a fag standing in a pool with no water.

A human is sitting on the couch eating a sandwich.