This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following is a tricyclic antidepressant? 
Select and explain. 
A. Vanalafexine, B. Fluoxetine, C. Doxepine, D. Citalopram
C: Doxepine
Answer: C: Doxepine 
Explanation: Ans. is 'c' i.e., Doxepine