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': 'The DEC-medicated salt for mass treatment in lymphatic filariasis was shown to be safe, cheap and effective in \nSelect and explain. \nA. Goa, B. Lakshadweep islands, C. Daman and Diu, D. Andaman and Nicobar islands', 'role': 'user'}, {'content': 'Answer: B \nExplanation: DEC-medicated salt for mass treatment in lymphatic filariasis was shown to be safe, cheap and effective in: Lakshadweep\xa0islands', 'role': 'assistant'}]