artificial physical structure

Deductions

• artificial physical structure is for example Luthuli House ⇐ (Luthuli House is a artificial physical structure), (is a is inverse of is for example)
• artificial physical structure is for example United States Capitol Visitor Center ⇐ (United States Capitol Visitor Center is a artificial physical structure), (is a is inverse of is for example)
• United States Capitol Visitor Center is a artificial physical structure ⇐ (architectural structure is subclass of artificial physical structure), (United States Capitol Visitor Center is a architectural structure)
• Luthuli House is a artificial physical structure ⇐ (architectural structure is subclass of artificial physical structure), (Luthuli House is a architectural structure)