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: Skin
Most impoant cytokine for type II lepra reaction is ? 
Select and explain. 
A. IL 1, B. IL 6, C. TNF alpha, D. INF gamma
C: TNF alpha
Answer: C: TNF alpha 
Explanation: Ans. is 'c' i.e., TNF alpha