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: Dental
[{'content': 'Which of the following is false about advantages of Sod. Hypochlorite \nSelect and explain. \nA. Potent tissue solvent, B. Can dissolve only vital tissue, C. Has bleaching action, D. Has lubricating action', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]