[{'role': 'user', 'content': "Analyze the following clause from a privacy policy and determine if it's fair or unfair. Also identify any privacy practices mentioned: All payment details are transmitted over a secure connection (Secure Socket Layer-SSL) across dedicated network infrastructure (Multiprotocol Label Switching-MPLS) and stored in compliance with Payment Card Industry Data Security Standards (PCI DSS)."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]