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 man wearing a black shirt, jeans, and skate shoes is jumping near a pond. Sentence 2: The man is jumping.
Example Output: The man is standing still.

Example Input: Sentence 1: People are lying on lounge chairs. Sentence 2: There are humans in chairs.
Example Output: People are going for a walk.

Example Input: Sentence 1: A martial arts student attempts to deliver a kick to his sparring partner as fellow students look on. Sentence 2: Humans sparring.
Example Output:
The students are under water.