Person 4: Present and accounted for, but only just barely.
Agenda item 1: Discussion of the importance of discussing agendas.
Discussion of the discussion, and the importance of re-discussing the discussion.
Person 4: "I've got a great idea! Let's talk about it for another hour!"
Agenda item 2: The thrill of the thrill-seeking, thrill-riding, thrill-talking thrill-seekers.
Discussion of the thrill of the discussion, and the thrill of re-discussing the discussion.