5, and task 5 with task 6 since they all follow a similar sequential precedence relationship between them. Task 7 (Print tickets) need not wait till completion of task 6, but can start as soon as the auditorium is confirmed. Hence, link task 7 with task 5. Task 8 (Sell tickets) will follow task 7. Tasks 9 and 10, which are administrative tasks, can logically be taken up as soon as the date with the artist is confirmed, and hence both of these can be defined as tasks immediately following task 2