[{'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: Your acceptance of these terms By using our Services, you signify your acceptance of this policy. If you do not agree to this policy, please do not use our Services. Your continued use of our Services following the posting of changes to this policy will be deemed your acceptance of those changes."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]