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: Men standing on scaffolding are working. Sentence 2: Men cleaning windows.
Men are at work on a building.

Sentence 1: A young boy, dressed in a karate gee and wearing a yellow belt, stands ready to defend himself inside a gym. Sentence 2: A yellow Belt Karate Student is fighting a White Belt Student.
the boy is a karate student

Sentence 1: Women wearing blue baseball cap up in the bleachers eating a garden salad. Sentence 2: They are eating their salads with ranch dressing.

There are women seated in the bleachers.