This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Battle sign associated with? \nSelect and explain. \nA. Fracture zygoma, B. Fracture anterior cranial fossa, C. Fracture middle cranial fossa, D. Nasoethmoidal fracture', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ANSWER: (C) Fracture middle cranial fossaREF: Dhingra 4th ed page 399See previous question for explanation', 'role': 'assistant'}]