[{'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 Our Privacy Policy may change occasionally. We will not reduce your rights under this Privacy Policy without providing explicit, advance notice. We will post any privacy policy changes on this page and, in the event of significant changes, we will provide a more prominent notice (such as an email notification)."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]