@prefix foaf:       <http://xmlns.com/foaf/0.1/> .
@prefix vcard:      <http://www.w3.org/2001/vcard-rdf/3.0#> .

_:a a foaf:Person ;
    foaf:name   "Matt Jones" .

_:b a foaf:Person ;
    foaf:name   "Sarah Jones" .

_:c a foaf:Person ;
    vcard:FN    "Becky Smith" .

_:d a foaf:Person ;
    vcard:FN    "John Smith" .