Which four default machine states could be associated with a blueprint to call out extensibility tasks?

An architect wants the ability to associate a blueprint with the default machine states for the use of extensibility tasks.
Which four default machine states could be associated with a blueprint to call out extensibility tasks? (Choose four.)
A. Initialize
B. RegisterMachine
C. MachineProvisioned
D. Expired
E. UnprovisionMachine
F. Disposing
G. Deleting