[{'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: Wooga will immediately provide information free of charge on any other user data and inventory data - electronically or in writing, if so requested. Before furnishing any information, we may insist on being sent some form of documentation to prove the enquirer's identity and confirm its authenticity."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]