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 disadvantage of elemental include diets in childrena) Hypertonic dehydrationb) Lower caloric inputc) Dumping syndromed) High nitrogen input \nSelect and explain. \nA. ad, B. bc, C. ac, D. bd', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]