[{'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: iOS - On your iOS device (iPhone or iPad), open "Settings > Privacy > Advertising" and turn on "Limit Ad Tracking" to opt-out of interest based ads. Please see additional information from Apple here: https://support.apple.com/en-us/HT202074'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]