This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'What is the most common loss of sense above 70 years? \nSelect and explain. \nA. Proprioception, B. Vibration, C. Touch, D. Pressure', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (B) Vibration > Vibration sense is the most common to be lost in old age.', 'role': 'assistant'}]