prefix : <http://example.org/>

# Alice has a fully-formed address — conforms to :Person once :Address is resolved.
:alice :name    "Alice" ;
       :address :alice_addr .

:alice_addr :street "Main 123" ;
            :city   "Madrid" .

# Bob's address is missing :city — fails :Address, which makes :bob fail :Person.
:bob :name    "Bob" ;
     :address :bob_addr .

:bob_addr :street "Oak Avenue" .
