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 military jeep parked in an urban environment with armed solders inside. Sentence 2: A military vehicle with soldiers in Afghanistan.
A military vehicle with soldiers.

Sentence 1: A crowd of people look through clothes and books that are laid out in a large atrium. Sentence 2: A crowd of people at a yard sale.
A crowd of people looking through items.

Sentence 1: A all male group playing a song on a stage. Sentence 2: A group of men are singing in an accapella group.

A group of men are singing a song on stage.