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: Parent-Teacher Conference. Sentence 1: Dean's teacher began grading him on behavior weekly. Sentence 2: Dean promptly dropped the behavioral grading slips in the garbage. Sentence 3: Dean's parents never saw them. Sentence 4: Dean's parents were asked about them at a parent-teacher conference.
When Dean's parents got home, they were livid with Dean.