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: Surgery
[{'content': "A full thickness loss of middle one third of the upper lip is best reconstruted by - \nSelect and explain. \nA. Naso labial flap, B. Cheek flap, C. Abey flap, D. Estlander's flap", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans is c i.e. Abey flap', 'role': 'assistant'}]