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': 'Patterns of Inter–relationships between persons in a society is – \nSelect and explain. \nA. Social structure, B. Social psychology, C. Herd structure, D. Social science', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Patterns of inter-relationships between persons in a society is called social structure.', 'role': 'assistant'}]