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 lady attired in an apron stands over a kettle, preparing food, while patrons sit, chat, and dine in the background. Sentence 2: The lady is wearing an apron
Example Output: The lady is preparing food and dining.

Example Input: Sentence 1: A young boy in a white dress shirt is playing on a grassy plain. Sentence 2: A young person in a white dress shirt is playing on a grassy plain.
Example Output: A young girl in a white dress shirt is playing on a grassy plain.

Example Input: Sentence 1: A man is scaling a large boulder at dusk. Sentence 2: A man is on a rock.
Example Output:
A man is hiking on the moon.