This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous Questions, Subject name: Medicine
[{'content': 'The most common type of lung carcinoma in non- smokers \nSelect and explain. \nA. Squamous cell carcinoma, B. Adenocarcinoma, C. Small cell carcinoma, D. Large cell carcinoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Adenocarcinomas often occur in more peripheral lung locations Most common type of lung cancer occurring in non smokers.', 'role': 'assistant'}]