This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
[{'content': 'The non sedative antithistamines are all except one \nSelect and explain. \nA. Fexofenadine, B. Desloratidine, C. Levocetirizine, D. Cinnarizine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: HIGHLY SEDATIVEDiphenhydrarrineDimenhydrinatePromethazineHydroxyzine MODERATELY SEDATIVE PheniramineCyproheptadineMeclizineCinnarizine MILD SEDATIVEChlorpheniramineDexchlorpheniramineTriprolidineClemastine SECOND GENERATION ANTIHISTAMICSFexofenadineLoratadineDesloratadineCetirizineLevocetirizineAzelastineMizolastineEbastineRupatadine All 1st generation drugs are more sedating than 2nd generation drugs REF:ESSENTIALS OF MEDICAL PHARMACOLOGY;KD TRIPATHI 8TH EDITION', 'role': 'assistant'}]