[{'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 allow us to customise your experience to better match your interests and preferences, or to simply facilitate your signing in to use the services. Most browsers will allow you to erase cookies from your computer hard drive, block acceptance of cookies or receive a warning before a cookie is stored. However, if you block or erase cookies, we may not be able to restore any preferences or customisation settings you have previously specified, and our ability to personalise your online experience would be limited. Please refer to your browser instructions to learn more about these functions."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]