Definition: In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.
Input: Sentence 1: Kassidy started dating Bill in high school. Sentence 2: They went to the same college together. Sentence 3: Kassidy and Bill moved in together after college. Sentence 4: Bill surprised Kassidy by proposing to her. Sentence 5: They are planning their wedding for the fall.

Kassidy and Bill