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: A parent and child sitting together. Sentence 2: A mother and daughter are having dinner in the dining room.
Example Output: Two people are not standing.

Example Input: Sentence 1: A man in red shorts lifts his leg to kick another man in white shorts during a boxing match. Sentence 2: A man is winning a boxing match.
Example Output: A man is having a boxing match.

Example Input: Sentence 1: A group of men, women and one child are walking in a group. Sentence 2: The people are walking in a group outside.
Example Output:
The people are walking in a group.