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': 'Inferior alveolar nerve block is given in \nSelect and explain. \nA. Retromolar area, B. Pterygomandibular space, C. Submandibular space, D. Suhmental space', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]