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': 'Tyrosine kinase inhibitors are first line treatment in : \nSelect and explain. \nA. Gastrointestinal stromal tumors, B. Receptor mediated neuroendocrine tumors, C. Breast cancer, D. Renal cell carcinoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]