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: Anatomy
[{'content': "Korner's septum is seen in: \nSelect and explain. \nA. Petrosquamous suture, B. Temporosquamous suture, C. Petromastoid suture, D. Frontozygomatic suture", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Petrosquamous suture', 'role': 'assistant'}]