[{'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: We cannot guarantee the security of your personal data while it is being transmitted to our site and any transmission is at your own risk. Once we have received your information we have procedures and security features in place to try to prevent unauthorised access."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]