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 man in a yellow shirt wears a gold, sun-shaped mask. Sentence 2: The man is in costume.
Example Output: The man is in a black outfit.

Example Input: Sentence 1: A young man sits on a chair with one shoe off. Sentence 2: Someone has taken a shoe off.
Example Output: Everyone is wearing two shoes.

Example Input: Sentence 1: A person on a snow board jumps high into the air. Sentence 2: A person is outside.
Example Output:
The bench is made of cold stone.