[{'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: 4.1.3. data that are provided by the Users additionally at the Site Administration's request to enable the Site Administration to fulfill its obligations to the Users under the Site Service contract (e.g., in case the User requests restoration of his / her page that is not linked to a mobile phone number). Among other things, the Site Administration has the right to request that the User produce a copy of the identity document or another document containing the User's name, surname, photograph as well as other additional information which, at the discretion of the Site Administration, is necessary and sufficient to identify such User and prevent abuses and infringements of third parties' rights."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_Phone_Number_1stParty.'}]