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: Man crouching on a skateboard on the highway. Sentence 2: a man is on a skateboard on the highway
Example Output: a man is taking his kids to practice in his minivan

Example Input: Sentence 1: Policemen in riot gear, along with two police on horseback are charging a crowd that are behind a barrier. Sentence 2: Policemen are dealing with a crowd outside.
Example Output: Policemen in riot gear are raiding a house.

Example Input: Sentence 1: A lady in a blue outfit is practicing figure skating. Sentence 2: A lady is skating.
Example Output:
A lady is cooking a batch of hamburgers.