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: Surgery
[{'content': 'Following are the clinical tests used in diagnosis of CDH - \nSelect and explain. \nA. Barlow test, B. Oolani test, C. Both of the above, D. None of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Both of the above", 'role': 'assistant'}]