[{'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 of Personal Information We have implemented commercially reasonable physical, managerial, operational and technical security measures to protect the loss, misuse and alteration and to preserve the security of the Personally Identifiable Information in our care. Our security practices and procedures limit access to personal information on need to know basis only."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]