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: Anatomy
[{'content': 'NOT a true statement among the following is \nSelect and explain. \nA. Coronary Sinus is situated in posterior Coronary sulcus, B. Coronary Sinus is guarded by Thebesian valve, C. Middle cardiac Vein runs along with posterior Interventricular artery, D. All cardiac veins are derived from Coronary sinus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: All cardiac veins are derived from Coronary sinus with the\xa0 exception of Anterior cardiac veins which are derived from primitive atrium.', 'role': 'assistant'}]