system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Streptolysin O functionally & structurally related to -a) Tetanolysinb) Pneumolysinc) Streptolysin Sd) Clostridium perfringens O toxine) Listeriolysin
assistant
The correct answer is  None