SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/type> <http://dbpedia.org/resource/Trade_association> . ?x <http://dbpedia.org/ontology/regionServed> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Organisation>}
List the served region of the organisations of Trade association.
SELECT DISTINCT ?i WHERE { ?i property:region_served ?i . ?i rdf:type ontology:Organisation . ?i property:type resource:Trade_association }
answer
The served regions of the organisations of Trade association are [answer].
The regions that trade unions serve are [the answer].