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': 'The epiphysis at the tip of coracoid process is: \nSelect and explain. \nA. Traction, B. Atavistic, C. Pressure, D. A or C', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Atavistic', 'role': 'assistant'}]