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 man in a blue t-shirt holds a camera. Sentence 2: A man holding a camera.
A man prepares to take notes.

Sentence 1: A man wearing colorful clothing and white sunglasses is playing a large drum with his hands. Sentence 2: The man is near a drum.
The man begins to play the guitar.

Sentence 1: A black dog with a stuffed animal in its mouth is running and jumping through a snowy field. Sentence 2: There is a dog in a field

The dog has nothing in its mouth