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': 'Earliest sensation to be lost Hansens disease is - \nSelect and explain. \nA. Pain, B. Touch, C. Vibration, D. Temperature', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In Hansen&;s disease ,the earliest sensation to be affected is usually light touch. Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 332', 'role': 'assistant'}]