ASK WHERE {
    <http://www.example.org/#somebody> <http://xmlns.com/foaf/0.1/knows>
	    [ <http://xmlns.com/foaf/0.1/name> "Ivan Herman"; 
	      <http://xmlns.com/foaf/0.1/mailbox> <mailto:ivan@w3.org> ],
		[ <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person>;
		  <http://xmlns.com/foaf/0.1/name> "Mark Birbeck" ] .
}