This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexually Transmitted Infections, Subject name: Dental
[{'content': 'Pinta is caused by: \nSelect and explain. \nA. Treponema peenue, B. Treponema carateum, C. Treponema pallidum, D. Treponema endemicum', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pinta Non-sexually transmitted spircohetal infection caused by Treponema carateum. Three sub-species of T. pallidum are known: T. pallidum, which causes syphilis T. endemicum, which causes bejel or endemic syphilis T. peenue, which causes venereal syphilis or yaws', 'role': 'assistant'}]