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: Students are in a classroom, reading something off a paper. Sentence 2: The students are working on an assignment.
Example Output: The students are reading together.

Example Input: Sentence 1: A man in a lab coat wearing glasses and looking at a computer monitor. Sentence 2: A tall human wearing glasses
Example Output: A human wearing glasses

Example Input: Sentence 1: A man smiles and poses with a product he appears to be trying to sell. Sentence 2: The spokes model for the brand new Chevy Nisan smiles and poses with the car.
Example Output:
A person is posing with an object.