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': 'An intern was doing saphenous cannulation for a bum patient. Then the patient developed sudden onset of pain along the medial border of the corresponding foot. Which nerve must have beenaccidentally ligated- \nSelect and explain. \nA. Sural nerve, B. Deep peroneal nerve, C. Saphenous nerve, D. Genicular nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sensory supply of medial border of foot is saphenous nerve.', 'role': 'assistant'}]