[{'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: We may change, update and modify this Privacy Policy from time to time. Upon any change made to this Privacy Policy We will update the 'Last update' field at the top section of this Privacy Policy. You are responsible to regularly check this Privacy Policy for any changes. Your continuing use of Our Services constitutes your acceptance of any changes, updates and/or modifications made in this Privacy Policy."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]