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': 'Which of the following lobe of lung contain lingula? \nSelect and explain. \nA. Left upper lobe, B. Left lower lobe, C. Right upper lobe, D. Right middle lobe', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The left lung has only two lobes (superior and inferior), which are divided by an oblique fissure along the sixth rib. Instead of having a middle lobe, the left lung has a space occupied by the hea. Therefore, the left lung has a cardiac notch as well as the lingula in the left costomediastinal recess.', 'role': 'assistant'}]