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': 'Commonest type of veex presentation : \nSelect and explain. \nA. Left occipito transverse, B. Left occipito anterior, C. Right occcipito anterior, D. Right occipito posterior', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Left occipito transverse', 'role': 'assistant'}]