protected OWLOntology createOntology() {
OWLOntology ont = getOWLOntology("OntA");
OWLObjectProperty prop = ObjectProperty(iri("propP"));
OWLClass clsA = Class(iri("A"));
OWLClass clsB = Class(iri("B"));
OWLClassExpression desc = ObjectSomeValuesFrom(prop,
ObjectSomeValuesFrom(prop, clsB));
OWLAxiom ax = SubClassOf(clsA, desc);
addAxiom(ont, ax);
addAxiom(ont, Declaration(clsA));
addAxiom(ont, Declaration(clsB));