(12] Question 3 3.1 Debugging an ontology involves finding problems with the ontology. a What is an unsatisfiable concept, and give an example based on the Pizza ontology, explaining why it is unsatisfiable. (4) b. What is an inconsistent ontology, and give an example based on the Pizza ontology, explaining why it is inconsistent. (4) 3.2 Two families of reasoner-based techniques for diagnosing ontology errors are glass box and black box techniques. How are these different? (4)