In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair 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: Two Asian women sit on a bench eating lunch while a white woman in a navy shirt walks by and checks out a promotional table. Sentence 2: Two women are eating lunch while another woman walks nearby.
Example Output: A white woman wearing a navy shirt sits down at the table with the other ladies.

Example Input: Sentence 1: Several older people with red aprons work at a book fair. Sentence 2: Employees are wearing red.
Example Output: The aprons used by employees are solid blue.

Example Input: Sentence 1: A man in a black sweatshirt and jeans holds a black acoustic guitar and converses with a passerby. Sentence 2: A man is holding an acoustic guitar.
Example Output:
The man is singing to the passerby.