This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
[{'content': 'All are major symptoms of sinusitis except \nSelect and explain. \nA. Nasal blockage, B. Facial congestion, C. Nasal congestion, D. Halitosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: According to Rhinosinusitis task force definition of sinusitis,Major criteria-Facial pain, pressure, congestion, nasal obstruction, nasal/postnasal discharge, hyposmia and feverMinor criteria- Headache, halitosis, and dental painRef: Hazarika; 3rd ed; Pg 328', 'role': 'assistant'}]