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': 'Bevacizumab is used in ? \nSelect and explain. \nA. Carcinoma colon, B. Liver carcinoma, C. Renal cell carcinoma, D. Pancreatic carcinoma', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Carcinoma colon", 'role': 'assistant'}]