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: ENT
[{'content': "Which of the following views is recommended for radiological examination of maxillary sinus - \nSelect and explain. \nA. Water's view, B. Caldwell view, C. Ferguson's view, D. Skyline view", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]