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: Pharmacology
[{'content': 'The non-sedative antihistamines are all except one \nSelect and explain. \nA. Cinnarizine, B. Desloratadine, C. Levocetirizine, D. Fexofenadine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: HIGHLY SEDATIVE\nDiphenhydramine\nDimenhydrinate\nPromethazine\nHydroxyzine\nMODERATELY SEDATIVE\nPheniramine\nCyproheptadine\nMeclizine\nCinnarizine\nMILD SEDATIVE\nChlorpheniramine\nDexchlorpheniramine\nTriprolidine\nClemastine\nSECOND GENERATION ANTIHISTAMICS\nFexofenadine\nLoratadine\nDesloratadine\nCetirizine\nLevocetirizine\nAzelastine\nMizolastine\nEbastine\nRupatadine', 'role': 'assistant'}]