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.

Example Input: Sentence 1: Many dogs are running the same way in a field. Sentence 2: Many dogs are running together
Example Output: Cats are chasing birds

Example Input: Sentence 1: A child in a red sweatshirt, jeans, and black bike helmet and a dog pose for a picture outdoors. Sentence 2: A child poses for a picture outdoors with a dog.
Example Output: They took pictures indoors

Example Input: Sentence 1: A young boy is holding a little girl. Sentence 2: A young boy and girl are holding each other
Example Output:
A young boy is sitting in a tree house