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 irrigating solution has tissue dissolving properties \nSelect and explain. \nA. EDTA, B. Sodium Hypochlorite, C. Saline, D. Citric Acid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]