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: Used. Sentence 1: Jane wanted to buy a smartphone. Sentence 2: But she couldn't afford a new one. Sentence 3: So she decided to buy a used one online. Sentence 4: But it still contained the seller's private information and passwords.
Jane felt guilty and contacted the seller.