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: In front of a decorated Christmas tree, four adults and two children sit or stand amongst gifts, and one of the adults gives a child a drink of water. Sentence 2: It is the Christmas season.
Example Output: The room the adults and children are in is bare of any decoration.

Example Input: Sentence 1: A woman smiles with her old-fashioned sewing machine. Sentence 2: The sewing machine is old.
Example Output: The woman is knitting a scarf.

Example Input: Sentence 1: A gymnast jumps to flip in gymnastics competition. Sentence 2: The gymnast is moving around.
Example Output:
The gymnast is eating at a restaurant.