[{'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: Mozilla Firefox Click the menu button (three stacked lines) and choose 'Preferences' Select the Privacy panel Set 'Firefox will:' to 'Use custom settings for history' To enable cookies: Check 'Accept cookies from sites' To disable cookies: Uncheck 'Accept cookies from sites'"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]