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 girl in a black leotard dances while a girl in a red leotard and torn stockings watching in the middle of a street. Sentence 2: A girl does a leap in her dance on the street.
The men and women are dressed properly for a hot day on the sand.

Sentence 1: A man tosses something into the air while others look on. Sentence 2: The man is a professional juggler, and is performing for a crowd.
There are several people in this photo.

Sentence 1: A boy with jean shorts and bright blue sneakers is riding a skateboard next to a tall fence. Sentence 2: A boy is working on his skateboarding skills.

A boy with shorts and sneakers is riding a skateboard.