[{'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: Security and Retention We seek to maintain reasonable security measures to help protect your information against unauthorized or accidental disclosure, access, misuse, loss, or alteration. Although we strive to protect your information, we cannot ensure or warrant the security of such information. There is no such thing as perfect security. We may retain information about you as long as it is necessary for us to fulfill the purposes outlined in this policy. In addition, we may retain your information for an additional period as is permitted or required to, among other things, comply with our legal obligations, resolve disputes, and enforce agreements. Where required by applicable law, we shall delete your information when the information is no longer necessary or requested to do so. Even if we delete your information from active databases, the information may remain on backup or archival media as well as other information systems."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]