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 spectacular dunk by a professional player with white and yellow on Sentence 2: the basketball player dunked the ball
Example Output: the baseball player hit a home run

Example Input: Sentence 1: A young lady in motion on cobblestone in front of multicolored houses. Sentence 2: A young lady is outside.
Example Output: A man is looking for a dog.

Example Input: Sentence 1: A dog plays with a soccer ball Sentence 2: The dog is playing with the ball.
Example Output:
The dog is sleeping.