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 neither agree nor 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 crow watches as five people with "Yong In Univ." outfits perform. Sentence 2: A black bird is watching a group of people perform
Example Output: A pet crow is watching his students dance in their university outfits.

Example Input: Sentence 1: Runners in a race run down a busy street Sentence 2: Runners are on a busy street.
Example Output: Runners in a marathonn run down a busy street

Example Input: Sentence 1: A girl is sitting in the library and sleeping with her head in a very big book. Sentence 2: A girl is sitting
Example Output:
The girl is very young