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: Radiology
[{'content': 'Inverted muschtache sign is seen in \nSelect and explain. \nA. Pulmonary Venous hypertension, B. HOCM, C. Amyloidosis, D. Small VSD', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Inverted muschtache sign or hands upsign due to upper lobe diversion of vessels - Earliest sign of pulmonary venous hypertension.', 'role': 'assistant'}]