This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Which of the following drug is serotonin-norepinephrine reuptake inhibitor? 
Select and explain. 
A. Venlafaxine, B. Amphetamine, C. Doxepin, D. Miazapine
A: Venlafaxine
Answer: A: Venlafaxine 
Explanation: Venlafaxine, Milnacipran are considered as SNRIs Amphetamine is a psycho stimulant drug. Mitrazapine is an atypical anti depressent. Doxepin is a TCA tricyclic anti deprerssent. Ref: HL Sharma 3rd ed. Classification Pg: 469