In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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: Man in blue shirt focusing on grilling hamburgers. Sentence 2: The man is making food for his family.
Example Output: The person is cooking.

Example Input: Sentence 1: A casually dressed man gases confused at a pile of ingredients sitting on a kitchen counter. Sentence 2: A man attempts to cook, but is puzzled by where to start.
Example Output: There is a man in a kitchen.

Example Input: Sentence 1: A man is about to saw off a small tree limb while a child in a fireman's hat watches. Sentence 2: The man is trying to teach the child about fire safety.
Example Output:
The man has a sharp tool in his hand.