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: Lanie's teacher had everyone in the class get a pen pal. Sentence 2: Lanie stayed in touch with her pen pal long after the school year. Sentence 3: Their friendship grew from their childhood into their teen years. Sentence 4: They stopped writing and began using the phone to keep in touch. Sentence 5: When Lanie and her friend were adults, they finally met in person.

Pen Pals