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 man in a black shirt and gray hat gives the thumbs up to a crowd with one hand, while holding a microphone in the other. Sentence 2: a man gives a thumbs up
a loan man on a horse

Sentence 1: A lumberjack competitor chops out a section of a massive log. Sentence 2: The lumberjack wields a chopping tool.
The lumberjack assembles pre-fabricated furniture.

Sentence 1: A woman with sunglasses is walking on the sidewalk. Sentence 2: a woman is walking

the woman is sitting