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 pit crew working on a race car. Sentence 2: They are changing tires.
Example Output: People are working on a car.

Example Input: Sentence 1: A man is cutting something above a sink. Sentence 2: The man is about to cut himself above a sink.
Example Output: A man is standing next to a sink

Example Input: Sentence 1: A woman dancing with a bottle of water to the band playing behind her. Sentence 2: A singer dances and sips water in between singing verses.
Example Output:
A woman dances at a live concert while holding water.