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 running golden retriever Sentence 2: A golden retriever is running away.
Example Output: A dog running.

Example Input: Sentence 1: These people are doing dangerous things. Sentence 2: These people are doing illegal things.
Example Output: People doing dangerous things

Example Input: Sentence 1: A girl is curling in a competition. Sentence 2: A teenage girl scores a point in the curling game.
Example Output:
A person is participating in an atheltic event.