This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': '"DOTS indicates- \nSelect and explain. \nA. Sho term treatment under supervision, B. Sho term treatment without, C. Long term treatment with supervision, D. Long term treatment without supervision', 'role': 'user'}, {'content': "Answer: A \nExplanation: DOTS indicate directly observed treatment shocourse. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 21ST EDITION. PAGE NO - 172", 'role': 'assistant'}]