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: Four men, three of whom are wearing prayer caps, are sitting on a blue and olive green patterned mat. Sentence 2: People are praying on a mat.
People are sitting on a mat.

Sentence 1: A group of people gathered at a school. Sentence 2: The school doors are about to open.
People gather at the school.

Sentence 1: Girls run for the soccer ball during a game. Sentence 2: Some girls are playing soccer at a tournament.

Some girls are playing soccer.