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: Unknown
[{'content': 'Inclusion bodies of trachoma are stained with? \nSelect and explain. \nA. Wright’s stain, B. Iodine, C. Saffranin, D. Alcian blue', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Stained with dilute Lugol’s iodine solution, some of the inclusions of C trachomatis appear brown because of the glycogen matrix that surrounds the particles. Inclusions of C psittaci are diffuse intracytoplasmic aggregates.', 'role': 'assistant'}]