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': 'Face-to-pubis delivery often occurs in : \nSelect and explain. \nA. Android pelvis, B. Platypelloid pelvis, C. Anthropoid pelvis, D. Gynaecoid pelvis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Anthropoid pelvis', 'role': 'assistant'}]