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: Woman in blue workout attire and helmet rides through dirt path Sentence 2: A woman is riding on a back road.
A woman is eating on the ground.

Sentence 1: A billboard for Comcast Digital Voice that references Madagascar 2. Sentence 2: A billboard with references to an animated film.
A small old billboard with pealing paint displays an ad for Radio Shack.

Sentence 1: A group of people are hiking on a mountainside overlooking a lake surrounded by evergreens. Sentence 2: Some people are hiking on a mountain that looks over a lake with greenery around.

A group of people are sliding down the mountainside.