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': 'If the circumflex aery gives off the posterior interventricular aery, then the aerial supply is called: \nSelect and explain. \nA. Right dominance, B. Left dominance, C. Balanced dominance, D. Undeermined', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e., Left dominance', 'role': 'assistant'}]