This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Physiology
[{'content': 'What is the sequence of gastric emptying? \nSelect and explain. \nA. Fat > protein > carbohydrate, B. Fat > carbohydrate > protein, C. Protein > fat > carbohydrate, D. Equal for all three substances', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Gastric emptying is fastest for food rich in carbohydrates, slow for protein-rich diet and is slowest for fat rich food Ref: Ganong 25th ed/page 502', 'role': 'assistant'}]