This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
[{'content': 'The most effective method for motivating a couple for adopting family planning practices is - \nSelect and explain. \nA. Printed material, B. Films and television, C. Group discussion, D. Inter-personal communication', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Traditional way of communication has been by word of mouth.The advent of written and printed matter are comparatively recent origin .Direct verbal communication by word of mouth may be loaded with hidden meanings (refer pgno:855 park 23 rd edition)', 'role': 'assistant'}]