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: Gynaecology & Obstetrics
[{'content': 'Which of the following cause apoptotic damage to sperms? \nSelect and explain. \nA. Treponema pallidum, B. Chlamydia, C. Clostridium, D. Hemophilus ducreyi', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Apoptotic damage to sperms\xa0\n\nE.coli\nStaphylococcus\nChlamydia\nMycoplasma genitalium', 'role': 'assistant'}]