Question:  What is the field of occupation of a dentist? 
Output : Dentistry

Question:  Is a pulmonologist a neurologist?
Answer:  No

Question:  Is a neurosurgeon a surgeon? 
Answer:  Yes 

Question:  Is a dentist a medical specialist?
Answer:  Yes

Question:  What is the field of occupation of a surgeon? 
Answer:  surgery

Question:  What is the field of occupation of a medical specialist? 
Answer:  medicine

Question:  Is a dental surgeon a surgeon?
Answer:  Yes

Question:  Is a dental surgeon a cardiologist?
Answer:  No 

Question:  Is the field of occupation of a pulmonologist pulmonology?
Answer:  Yes

Question:  Is a psychoanalist a psychotherapist?
Answer:  Yes
 
Question:  Is the field of occupation of a surgeon surgery? 
Answer:  Yes