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: Gynaecology & Obstetrics
[{'content': 'The number of vessels seen in the cut section of the umbilical cord are: \nSelect and explain. \nA. One, B. Four, C. Three, D. Two', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Three', 'role': 'assistant'}]