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 neither agree nor 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: A person grinding a ledge on a skateboard. Sentence 2: A person skateboarding
Example Output: A person competing

Example Input: Sentence 1: A group of teenagers stand and sit on a house porch. Sentence 2: teenagers sit on the porch
Example Output: Some teenagers are standing and some are sitting on a porch.

Example Input: Sentence 1: A young boy runs. Sentence 2: There is a kid running.
Example Output:
A kid is running home.