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: A couple of people sit outdoors at a table with an umbrella and talk. Sentence 2: A couple people sit under an umbrella at a table.
Example Output: Two people walk in the park in silence.

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: A brown and white dog is running with its mouth open. Sentence 2: A dog is running.
Example Output:
A cat is running toward a bird.