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 a white shirt jumping toward a brick wall. Sentence 2: A man jumps toward a wall to catch the ball
Example Output: A man jumping toward a wall

Example Input: Sentence 1: An authority-figure in a white helmet, wearing a yellow vest, and sitting on a yellow motorcycle. Sentence 2: A police officer sitting on a motorcycle on the road.
Example Output: A person in a helmet is seated on a motorcycle.

Example Input: Sentence 1: A woman is wearing a sash while waving. Sentence 2: A woman is waving at a nearby taxi.
Example Output:
There is a person waving.