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.

Ex Input:
Sentence 1: A young man is having his picture taken in front of a picture of an Asian sports team, while a child walks in a ball cap walks in front of the picture. Sentence 2: A young man is having his picture taken.

Ex Output:
A man takes a photo of a little girl.

Ex Input:
Sentence 1: Brown and white dog runs towards camera, casting long shadow on dirt. Sentence 2: A brown and white dog is running.

Ex Output:
A cat runs towards a camera.

Ex Input:
Sentence 1: A group of four people on three scooters stopped. Sentence 2: A group of people are using scooters.

Ex Output:
A group of people are riding bicycles.