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: Black and white dog chewing on a canon camera setting in the grass the camera is black and white. Sentence 2: The dog was chewing on the black white camera while sitting on the grass.
Example Output: The dog was playing in the water.

Example Input: Sentence 1: A man pulling a cart filled with many wooden chairs down a city street. Sentence 2: A man is in a city.
Example Output: A man is pulling an empty cart.

Example Input: Sentence 1: A person wearing a hat and carrying a knapsack walks uphill on a sand dune under a dark, cloudy sky and leaves the only visible footprints behind. Sentence 2: Someone walks up the hill through the sand.
Example Output:
The person sits cross legged.