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 joints do not have a fibrocartilaginous intra articular disc \nSelect and explain. \nA. Temporomandibular joint, B. Shoulder joint, C. Sternoclavicular joint, D. Inferior radioulnar joint', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Shoulder joint doesn’t have a intra - articular disc.', 'role': 'assistant'}]