[{'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: Installation/operation and refusal of cookie The user may reserve the right to choose the installation of cookie. The user may allow or refuse to the storage of cookie in the options provided by browser and OS. However, if the user refuses to the installation of cookie, there might be difficulties in using a part of services required of login."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]