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: Man wearing hat and glasses working on a bicycle. Sentence 2: A man is working on his bike.
A person is riding his bicycle on the street.

Sentence 1: A person in a purple dress, black hat, and pink scarf runs on a road. Sentence 2: A person is running on the road.
A woman wearing jeans skips down the road.

Sentence 1: A few people are walking in a waterfront area. Sentence 2: Some humans are walking near water.

A few people are walking in a shopping mall.