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: Skin
Which is NOT a sexually transmitted disease: March 2013 
Select and explain. 
A. Chancroid, B. Yaws, C. Granuloma Inguinale, D. LGV
B: Yaws
Answer: B: Yaws 
Explanation: Ans. B i.e. Yaws Conditions and causative organism Chancroid: H. ducreyi, Herpes hominis LGV: Chylamydia trachomatis Donovaniosis: Calymmato-bacter granulomatosis Pinta: T. caratenum Yaws: T. peune