The structure is medical: diagnosis, etiology, prognosis, treatment.
- There is Dukkha — unsatisfactoriness pervades conditioned life.
- Its cause is tanha — craving, grasping, the wanting-things-otherwise.
- Its cessation is possible — this is Nirvana.
- The way is the The Eightfold Path.
Each of these is a call to verify, not to believe. Look for yourself at what arises when craving stops. The whole Buddhist technology is built to make that looking possible.