This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
[{'content': 'AML causing Gum hyperophy - \nSelect and explain. \nA. M1, B. M2, C. M3, D. M4', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Gum hyperophy due to leukaemic infiltration of the gingivae is a frequent finding in myelomonocytic(M4) and monocytic (M5) leukaemias. Reference textbook of Pathology 6th edition author Harsha Mohan page number 363', 'role': 'assistant'}]