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': "The commonest presentation of meckel's diveiculum is - \nSelect and explain. \nA. Bleeding, B. Obstruction, C. Diveiculitis, D. Intussception", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Bleeding", 'role': 'assistant'}]