[{'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: When users request the disclosure by the Company of their personal information that is unable to be confirmed/accessed though the Service website, the Company may charge users a certain fee for the disclosure procedures. The users can choose freely whether or not they will provide the Company with their personal information, however the users may be unable to use a part of the Service until they have provided the Company with the necessary information."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]