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

Sentence 1: A person's head is in the foreground while two women embrace in the background and look at the camera. Sentence 2: Two women hug.
Two men dance in front of a camera.

Sentence 1: A dog leaping to catch a Frisbee in the yard. Sentence 2: The dog is outside.

The dog is sleeping.