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': 'Early mediators of allergic rhinitis are -a) Leukotrieneb) IL-4c) IL-5d) Bradykinine) PAF \nSelect and explain. \nA. ab, B. bc, C. acd, D. abcde', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Allergic rhinitis is Type 1 hypersensitivity reaction', 'role': 'assistant'}]