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 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: Workers brush off the stops in front of a monument, blocked off with traffic cones. Sentence 2: The workers are doing regular maintenance for the monument so it is clean for visitors.
Example Output: Workers are cleaning the steps in front of a monument that is blocked off.

Example Input: Sentence 1: A pilot wearing a light blue shirt, dark pants and tie is standing in front of a plane, smiling. Sentence 2: The pilot smiling is female.
Example Output:
The pilot is smiling.