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: Kia had a letter to mail. Sentence 2: But the nearest mailbox was miles away and she had no car! Sentence 3: She stopped the postman as he delivered mail. Sentence 4: She asked him if he would mail her letter. Sentence 5: Smiling, the postman agreed to mail the letter for her.

Letter