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': 'All of the following are true about sargramustin except \nSelect and explain. \nA. It is a G - CSF analog, B. It is used in cases of neutropenia, C. Chronic usage can lead to bone pain, D. It can also lead to flu like symptoms', 'role': 'user'}, {'content': 'Answer: A \nExplanation: It is a GM - CSF analog.\nFilagastrim & lenogastrim are G - CSF analogs.', 'role': 'assistant'}]