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: Pathology
[{'content': 'Maximum incidence of which blood group is seen in normal population? \nSelect and explain. \nA. Group O, B. Group A, C. Group B, D. Group AB', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]