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: People setting up to sell on the street their food. Sentence 2: People are getting ready to sell their goods.
Example Output: People are running away.

Example Input: Sentence 1: a female performing at a ballet. Sentence 2: The dancer is dancing.
Example Output: The woman is swimming.

Example Input: Sentence 1: an event or race with a crowd on the side lines. Sentence 2: a crwd on the side line
Example Output:
the event is empty