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 classic propeller-driven airplane flies in the distance as two men play with a remote-controlled toy airplane in a field in the foreground. Sentence 2: Two men are playing with a toy airplane.
Example Output: A woman and Man are dancing in the store.

Example Input: Sentence 1: four young people have stopped to listen to a man play a saxophone. Sentence 2: A man is playing the saxophone.
Example Output: Four young people are listening to a man play the guitar.

Example Input: Sentence 1: The brown dog is jumping out of the water Sentence 2: A brown dog leaps out of the water.
Example Output:
A brown dog chases a squirrel up a tree.