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: Pharmacology
[{'content': 'Treatment of chronic phase of CML is? \nSelect and explain. \nA. Imatinib, B. Hydroxyurea, C. Interferon, D. Cytarabine', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Imatinib o Imatinib is the first line therapy for newly diagnosed CML patients.", 'role': 'assistant'}]