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: An elderly woman is wearing a pink striped shirt. Sentence 2: An older woman is wearing a pink shirt.
Example Output: A man is wearing a swimsuit.

Example Input: Sentence 1: A dog running on the sand. Sentence 2: a dog is running on sand
Example Output: a dog is playing with sheep in a grass field

Example Input: Sentence 1: A small black and tan dog on a leash. Sentence 2: The small dog is on a leash.
Example Output:
The cat walks on a leash.