1PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
2PREFIX owl: <http://www.w3.org/2002/07/owl#>
3PREFIX : <http://example.org/test#>
4
5SELECT ?x
6WHERE {
7    ?x a [
8        a owl:Class ;
9        owl:intersectionOf (
10            :A
11            [
12                a owl:Class ;
13                owl:unionOf ( :B :C )
14            ]
15        )
16    ]
17}
18