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': 'True about chronic fatigue syndrome are all except ? \nSelect and explain. \nA. Severe obesity, B. Painful lymphadenopathy, C. Extreme prolonged exhaustion and sickness, D. Fatigue is not alleted by rest', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Chronic fatigue syndrome (CFS) is a disorder characterized by persistent and unexplained fatigue resulting in severe impairment in daily functioning. Besides intense fatigue, most patients with CFS repo concom\x02itant symptoms such as pain, cognitive dysfunction, and unrefreshing sleep. Additional symptoms can include headache, sore throat, tender lymph nodes, muscle aches, joint aches, post-exeional malaise, feverishness, difficulty sleeping, psychiatric problems, allergies, and abdominal cramps . Ref - Harrisons 20e p3254', 'role': 'assistant'}]