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: Medicine
[{'content': "All of the following are cyanotic hea diseases, Except : \nSelect and explain. \nA. TOF, B. PDA, C. Tricuspid Atresia, D. Eisenmenger's complex", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer is B (PDA) Patent Ductus Aeriosus is not classified as a cyanotic congenital hea disease. PDA is an Acyanotic Hea disease with Left to Right shunt', 'role': 'assistant'}]