protected OWLObjectPropertyExpression translateObjectProperty(IRI IRI) {
   return consumer.translateObjectPropertyExpression(IRI);
 }
 /**
  * The rdf:first triple that represents the item to be translated. This triple will point to
  * something like a class expression, individual.
  *
  * @param firstObject The rdf:first triple that points to the item to be translated.
  * @return The translated item.
  */
 @Override
 public OWLObjectPropertyExpression translate(IRI firstObject) {
   consumer.addObjectProperty(firstObject, false);
   return consumer.translateObjectPropertyExpression(firstObject);
 }