# filename: ex101.rq

PREFIX ab: <http://learningsparql.com/ns/addressbook#>

SELECT ?first ?last ?instrument 
WHERE
{
  { ?person ab:firstName ?first ;
            ab:lastName ?last ;
            ab:instrument "trumpet" ;
            ab:instrument ?instrument . 
  }

  UNION

  { ?person ab:firstName ?first ;
            ab:lastName ?last ;
            ab:instrument "sax" ;
            ab:instrument ?instrument . 
  }

}