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: ENT
[{'content': "True about bell's palsy is/are -a) Most common cause of facial palsyb) Associated with tinnitus & vertigoc) Crocodile tears & synkinesisd) No role of steroids \nSelect and explain. \nA. a, B. bc, C. ad, D. ac", 'role': 'user'}, {'content': "Answer: D \nExplanation: Bell's palsy is the most common cause of facial palsy.\nSynkinesis and crocodile tear are sequelae of Bell's palsy.", 'role': 'assistant'}]