[{'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: You may block cookies by activating the setting on your browser that allows you to refuse the setting of all or some cookies. However, please note that deleting or deactivating our cookies may mean that you may not be able to access all or parts of the Sites."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]