This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and Health, Subject name: Social & Preventive Medicine
[{'content': 'Human milk contains how much calaries - \nSelect and explain. \nA. 45, B. 72, C. 117, D. 146', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 72 Nutritive value of milks compared (value per 100 grams) BuffaloCowGoatHumanFat(g)6[?]54[?]14[?]53[?]4Protein(g)4-33[?]23[?]31[?]1Lactose(g)51444[?]67[?]4Calcium(mg)21012017028Iron(mg)0[?]20[?]20[?]3 Vitamin C(mg)1213Minerals(g)0[?]80[?]80[?]80[?]1Water(g)81[?]08786[?]888Energy(kcal)117677265", 'role': 'assistant'}]