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: Pathology
[{'content': 'Which is the most common oncogene involved in human cancer? \nSelect and explain. \nA. RET, B. RAS, C. RB, D. pS3', 'role': 'user'}, {'content': 'Answer: B \nExplanation: RAS is a signal transduction protein. It is the most common oncogene mutation involved in human cancer.', 'role': 'assistant'}]