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: Forensic Medicine
[{'content': 'Diatoms are \nSelect and explain. \nA. Algae, B. Parasites, C. Bacteria, D. Fungi', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Algae', 'role': 'assistant'}]