What is the distinction between Prohibited Areas (P), Restricted Areas (R), and Danger Areas (D) in Bolivian airspace?

1. Prohibited Areas (P): flight is strictly prohibited under all circumstances; Restricted Areas (R): flight is restricted and permitted only with prior authorization from the controlling authority; Danger Areas (D): flight is permitted, but activities dangerous to flight exist during specified hours.
2. Prohibited areas are open on weekends; Restricted areas are military airports; Danger areas are civilian schools.
3. All three terms are identical and mean the airspace is open to all VFR traffic.
4. Danger areas are areas where air traffic control radar is broken.