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: Brown dog with white marking on forehead coming down cement steps. Sentence 2: A brown dog is coming down with a stick.
A brown dog is coming down.

Sentence 1: Two skiers stand near a snowy mountain. Sentence 2: Tall humans standing
Some humans standing.

Sentence 1: Two men are in the street while one is holding flowers. Sentence 2: One man bought flowers for his wife.

Two people are outside.