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': 'All are true about maxillary sinusitis except? \nSelect and explain. \nA. Pain over upper jaw, B. No variation of pain with jaw movement, C. Most common sinusitis in adults, D. Maxillary sinus present at birth', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pain increases on jaw movement.', 'role': 'assistant'}]