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: Social & Preventive Medicine
[{'content': 'Genito Ulcerative (Non-herpetic) disease is coded under which colour of STD kits \nSelect and explain. \nA. Grey, B. Blue, C. White, D. Red', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]