[QueryItem="Test-01"]
PREFIX : <http://www.semanticweb.org/ontologies/2011/4/HelloWorld.owl#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
select distinct ?x where {?x rdf:type :Person}

[QueryItem="Test-02"]
PREFIX : <http://www.semanticweb.org/ontologies/2011/4/HelloWorld.owl#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
select distinct ?x ?y where {?x rdf:type :Person. ?x :fullName ?y}

[QueryItem="Test-03"]
PREFIX : <http://www.semanticweb.org/ontologies/2011/4/HelloWorld.owl#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
select distinct ?x ?y where {?a :saysHello ?b. ?a :fullName ?x. ?b :fullName ?y}