This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brainstem lesions and blood supply of CNS, Subject name: Anatomy
[{'content': 'Dangerous area of face drained by which of the following veins? \nSelect and explain. \nA. Angular vein and Temporal vein, B. Deep facial vein and Temporal vein, C. Deep facial vein and Angular vein, D. Facial and Post auricular vein', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Infections can spread to cavernous sinus by angular vein and deep facial vein draining dangerous area of face. Fig:- Dangerous area of face', 'role': 'assistant'}]