This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thigh, Knee,Leg,Foot & Ankle injuries, Subject name: Anatomy
[{'content': 'Gallows traction is used for fracture- \nSelect and explain. \nA. Shaft femur, B. Neck femur, C. Shaft tibia, D. Tibial tuberosity', 'role': 'user'}, {'content': "Answer: A \nExplanation: *Gallows traction is used for treatment of fracture shaft femur, in infants and children <2 yrs of age. Ref: Apley's 9th/e p.861", 'role': 'assistant'}]