This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Regarding yaws, all are true except - 
Select and explain. 
A. Caused by T. Peenue, B. Sexually transmitted, C. Croos active antibodies with syphilis, D. Drug of choice is penicillin
B: Sexually transmitted
Answer: B: Sexually transmitted 
Explanation: Yaws is a chronic contagious non veneral disease. Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 359