# filename: ex103.rq

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

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

    { ?person ab:instrument "sax" . }

    UNION

    { ?person ab:instrument "trumpet" . }

}