@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix : <http://example.org/ns#> .

:a
    a foaf:Person;
    foaf:name "Alan";
    foaf:homepage <http://example.org/alan> .

:c
    a foaf:Person;
    foaf:name "Chris";
    foaf:homepage <http://example.org/chris> .

:b
    a foaf:Person;
    foaf:homepage <http://example.com/ben>, <http://example.org/ben>;
    foaf:name "Ben";
    foaf:mbox <mailto:ben@example.org> .