// The renderer is used to pretty print explanation
ManchesterSyntaxExplanationRenderer renderer = new ManchesterSyntaxExplanationRenderer();
// The writer used for the explanation rendered
PrintWriter out = new PrintWriter( System.out );
renderer.startRendering( out );
// Create an OWLAPI manager that allows to load an ontology file and
// create OWLEntities
OWLOntologyManager manager = OWL.manager;
OWLOntology ontology = manager.loadOntology( IRI.create( file ) );