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 man in a judge costume stand on a red truck and hangs a dummy. Sentence 2: A radical group of anarchists is staging a mock trial and execution to make a political statement.
Example Output: An effigy hanging.

Example Input: Sentence 1: A person sitting on a lift over water with another person handing a bag to them. Sentence 2: A person sitting with their friends.
Example Output: A person sitting.

Example Input: Sentence 1: A mechanic with paint stained overalls works on a fancy car's tire and a photographer in a yellow jacket takes a picture. Sentence 2: A mechanic with paint stained overalls works on an old chevrolet.
Example Output:
A mechanic is wearing dirty overalls.