[{'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: Certain features of Microsoft products depend on cookies. Please be aware that if you choose to block cookies, you may not be able to sign in or use those features, and preferences that are dependent on cookies may be lost. If you choose to delete cookies, settings and preferences controlled by those cookies, including advertising preferences, will be deleted and may need to be recreated."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]