OWLClass Teenager = Class( ns + "Teenager" );
OWLClass Male = Class( ns + "Male" );
OWLClass Adult = Class( ns + "Adult" );
OWLClass Female = Class( ns + "Female" );
OWLClass Senior = Class( ns + "Senior" );
OWLIndividual grandmother = Individual( ns + "grandmother" );
OWLIndividual grandfather = Individual( ns + "grandfather" );
OWLIndividual father = Individual( ns + "father" );
OWLIndividual son = Individual( ns + "son" );
OWLIndividual mother = Individual( ns + "mother" );
OWLIndividual daughter = Individual( ns + "daughter" );
OWLIndividual personX = Individual( ns + "personX" );
OWLIndividual personY = Individual( ns + "personY" );
OWLIndividual personZ = Individual( ns + "personZ" );
assertTrue( reasoner.isConsistent() );
KnowledgeBase kb = reasoner.getKB();