[{'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: You may do so by accessing and modifying your information through the Applications. To protect your privacy and security, we will take reasonable steps to verify your identity before granting access or making changes or modifications. Unfortunately, we cannot always ensure that such changes or modifications will be reflected in all iterations of your information as previously stored."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]