[{'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: Opera From the main menu, select \'Settings\' (or \'Preferences\', when using OS X) Click \'Advanced\' Under "Cookies", select an option for handling cookies To enable cookies: Check \'Accept\' or \'Accept only from the sites I visit\' depending on your preference To disable cookies: Check \'Never accept cookies\''}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]