In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with 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 young Asian girl, with a black, Carnegie Mellon sweatshirt, is walking and listening to music through white earbuds. Sentence 2: A boy is doing his homework in class.
Example Output: A child is moving.

Example Input: Sentence 1: Four people wearing black leotards dancing on a beach. Sentence 2: a baby is by the beach
Example Output: Four people are dancing

Example Input: Sentence 1: A city street busy with people and cars. Sentence 2: It is a ghost town.
Example Output:
The city is busy.