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': 'A 60 year old female lands up in emergency with history of fall trauma, the attitude of limb is extension and external rotation, the most probable diagnosis is \nSelect and explain. \nA. Intra capsular neck of femur, B. Posterior dislocation of hip, C. Intutrochanteric, D. Acetabulam', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Intracapsular fracture neck femur', 'role': 'assistant'}]