[{'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: Changes to the Privacy Policy Game Circus may change this Privacy Policy at any time. If Game Circus makes changes, it will notify you by revising the "Last Updated" date above and, in some cases, it may provide you with more prominent notice (such as adding a statement to its homepage or sending you a push notification or email). Game Circus encourages you to review this Privacy Policy frequently to stay informed about its information practices and your privacy choices.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]