Given the task definition and input, reply with output. In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.

Title: Post Office. Sentence 1: Marion's apartment had a postal pick-up protocol. Sentence 2: Outgoing mail was to be left on a ledge by the door. Sentence 3: One day Marion put an important envelope on the ledge. Sentence 4: It was ignored and left on the ledge.
From then on Marion brought outgoing mail to the post office.