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: A chubby looking boy with a Mohawk and glasses staring at the camera with a plain look. Sentence 2: A heavy boy with a Mohawk is taking a boring picture.
A skinny boy with dread locks is smiling intensely.

Sentence 1: Two people posing for a picture. Sentence 2: Two people are posing.
Two people are taking pictures with a camera.

Sentence 1: A woman sitting at a desk and looking through a microscope while two other women look on. Sentence 2: A woman at work.

Three men playing eating a burger.