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 person is falling off their surfboard. Sentence 2: A person falls from their surfboard in a competition.
Example Output: A person falls.

Example Input: Sentence 1: Kayak rider raises arms as he's splashed with water. Sentence 2: Boat rider is splashed with water from a water bottle.
Example Output: Boat rider is splashed with water.

Example Input: Sentence 1: A man working high up in the air on a building with a cityscape behind him. Sentence 2: A man is working on a building.
Example Output:
A man working in the air on a building with a cityscape nearby.