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 black dog running in the grass. Sentence 2: The black dog is running.
The white dog is running.

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: A group of kids are posing outside for nice picture. Sentence 2: Some kids are getting ready to take a picture outdoors.

Mothers lining up for a photo.