This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition & Digestion, Subject name: Biochemistry
[{'content': 'Not a dietary source of vit. B12- \nSelect and explain. \nA. Fish, B. Meat, C. Soya bean, D. Liver', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' ie. Soyabean Vit B12 is present in foods of animal origin and is not present in foods of vegetable sources.", 'role': 'assistant'}]