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: People behind a banner are holding flags and signs. Sentence 2: People are protesting.
Example Output: There are people gathered.

Example Input: Sentence 1: A person in a black jacket is grabbing a boy's shoulder to stop him from backing into the road while a silver Mini is driving by. Sentence 2: A father is grabbing his son's shoulder.
Example Output: A silver mini is on the road.

Example Input: Sentence 1: A girl rides a swing while another girl watches. Sentence 2: Two girls, one swing.
Example Output:
A dog is standing in water