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: Dental
[{'content': 'Not A sexually transmitted disease – \nSelect and explain. \nA. Pinta, B. Candidiasis, C. HBV, D. Trichomonisis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Yaws, pinta & endemic syphilis are non-veneral treponematoses.', 'role': 'assistant'}]