This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormal labor, Subject name: Anatomy
[{'content': 'Face to pubis delivery occurs in which position? \nSelect and explain. \nA. Occipito sacral, B. Mentoanterior, C. Mentoposterior, D. Brow presentation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Face to pubis delivery is done in occipito posterior position head rotates posteriorly and becomes direct occipito posterior position', 'role': 'assistant'}]