In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 in dirty jeans on top of a scaffolding. Sentence 2: A man is wiring lighting on top of a scaffolding.
Example Output: A man is on top of scaffolding.

Example Input: Sentence 1: A group of people gathered at a school. Sentence 2: The school doors are about to open.
Example Output: People gather at the school.

Example Input: Sentence 1: A group of people are standing outside next to a gold colored truck. Sentence 2: The people are taking pictures of the truck.
Example Output:
A human standing