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 male surgeon wearing a red cap and teal scrubs performing surgery with two other men wearing teal scrubs. Sentence 2: A man is performing surgery.
A surgeon is wearing normal clothes while performing surgery.

Sentence 1: There are five people in the picture, two guys talking near a sign for free advice, a man and women facing away and another man on a phone in the background. Sentence 2: A group of people are interacting with others.
The streets are completely empty.

Sentence 1: A boy is walking on a floor covered in graffiti. Sentence 2: The floor has graffiti.

The boy is sitting in the grass.