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 gray "labradoodle" jumps over another large dog. Sentence 2: A "labradoodle" jumps over another large dog.
A blue "labradoodle" jumps over another large dog.

Sentence 1: A man wearing a jacket and hat rides his bicycle among bright rays of sunshine that is streaming between an array of Autumn leafs. Sentence 2: A man rides his bike.
A man is riding his bike in the snow.

Sentence 1: A Hispanic woman is presenting her fabric design. Sentence 2: A Hispanic woman is showing her designs.

A Chinese woman is watching a presentation.