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': 'Shelf life of Platelets is \nSelect and explain. \nA. < 5 days, B. < 3 weeks, C. < 5 weeks, D. < 2 years', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Shelf life of Platelets is < 5 days Cryoprecipitate is 2 years.', 'role': 'assistant'}]