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: Medicine
[{'content': 'Which of the following grains can be used safely in patients with celiac sprue: \nSelect and explain. \nA. Rice, B. Wheat, C. Rye, D. Barley', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Rice) Gluten Containing Grains Wheat Rye Oat Barley Spelt Rice is .Gluten free and should he used in place of wheat flour in patients with Gluten sensitivity or celiac sprue Gluten Free Grains Rice Corn Millet Topioca', 'role': 'assistant'}]