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: Social & Preventive Medicine
All of the following are founding members of vision 2020 except - 
Select and explain. 
A. WHO, B. UNICEF, C. ORBIS, D. International Agency For Prevention Blindness
B: UNICEF
Answer: B: UNICEF 
Explanation: Ans. is 'b' i.e., UNICEF