[{'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: Cookies Installation/Operation and Rejection Users have the right to opt out of Cookies. Therefore, users may through the web browser's settings and options, check every time Cookies are saved, or reject all permissions and/or saving of Cookies. There may be difficulties in certain services that require log-in if saving of Cookies is denied."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]