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': 'Anemia is greater in which of the following gastric resection - \nSelect and explain. \nA. Billoh II, B. Billoh I, C. Both of the above are equal, D. Neither of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Billoh II", 'role': 'assistant'}]