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: Four people are sitting at a table on the side of a street. Sentence 2: Four people are sitting at a table on the side of a street, talking.
Example Output: Four people walking away

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: Two men, one in a white outfit and the other in a blue outfit, are competing in a fighting match at an indoor venue. Sentence 2: Two men are fighting.
Example Output:
Two men racing on a track.