This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Anatomy
[{'content': "The structure which doesn't pass through the parotid gland? \nSelect and explain. \nA. Facial nerve, B. ICA, C. Branch of ECA, D. Retromandibular vein", 'role': 'user'}, {'content': "Answer: B \nExplanation: ICA doesn't pass through the parotid gland. Structures passing through the parotid gland are: Facial N. Retromandibular vein Ext. carotid aery Sympathetic plexus (a/w ECA)", 'role': 'assistant'}]