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: Social & Preventive Medicine
[{'content': 'A tool for increasing consensus among a large no. of people is \nSelect and explain. \nA. Delphi method, B. Chalk and talk (lecture), C. Television, D. Interpersonal communication (IPC)', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]