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 white dog runs on the grass. Sentence 2: A white animal is outdoors.
A black cat sits in the hedges.

Sentence 1: A man, wearing a short pink skirt, long striped socks, a pink tank top, and a hairnet, is juggling knives to the amusement of onlookers. Sentence 2: A clown performing
A man is riding an elephant at the fair.

Sentence 1: Two well padded boxers face off in a high school gym as people watch. Sentence 2: An audience is watching a fight.

Two women are having their nails painted.