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': 'A 13 years old female attends hematology clinic for follow-up of a coagulation defect in extrinsic pathway. The coagulation factor that is defective is \nSelect and explain. \nA. VII, B. VIII, C. IX, D. XI', 'role': 'user'}, {'content': 'Answer: A \nExplanation: . VII', 'role': 'assistant'}]