This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Coronary vein is \nSelect and explain. \nA. Left Gastric vein, B. Right Gastric vein, C. Left Gastroepiploic vein, D. Right Gastroepiploic vein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]