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 woman walking a bike down a busy sidewalk. Sentence 2: A person walking a bike down a busy sidewalk.
A man walking a bike down a busy sidewalk.

Sentence 1: A woman wearing a light blue coat looks to the left while a man looks to the right. Sentence 2: A woman wearing a blue coat looks left and a man looks right.
A woman is wearing a red coat while driving.

Sentence 1: A person wearing a red, white, and blue helmet sitting on a motorcycle. Sentence 2: A human being wearing red, white, and blue is sitting on a vehicle.

A woman is baking dinner