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: A boy selling lemonade for$ 1 rides his bike with no hands as he advertises his product to a long line of people. Sentence 2: The  boy is selling lemonade for a $1.
Example Output: A boy selling cookies to a group of people.

Example Input: Sentence 1: A child sleeps on a fold out spiderman chair. Sentence 2: A child is not currently awake.
Example Output: A child is swimming at a community pool.

Example Input: Sentence 1: A West Highland Terrier runs across the dirt. Sentence 2: There is an animal running.
Example Output:
A dog sits on the boy's lap.