[{'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: back to top of page 7. Data Security, Integrity and Retention The security, integrity and confidentiality of your information are extremely important to us. We have implemented technical, administrative and physical security measures that are designed to protect guest information from unauthorized access, disclosure, use and modification. From time to time, we review our security procedures to consider appropriate new technology and methods. Please be aware though that, despite our best efforts, no security measures are perfect or impenetrable. We will retain your personal information for the length of time needed to fulfill the purposes outlined in this privacy policy unless a longer retention period is required or permitted by law."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]