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: A man works on the rear tire of a bike while a baby looks on from behind the bike. Sentence 2: A man fixes a flat on a mountain bike path.
A man repairs a bicycle tire.

Sentence 1: A lady dressed in a white, short dress is next to a table set for two with a rock pier in the background. Sentence 2: The woman is waiting for someone
The woman is dressed in white

Sentence 1: A man wearing black is riding a three-wheeled bicycle down a busy city street. Sentence 2: A man is riding his bike to entertain his sons.

A man is riding a bike outside.