[{'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: Online Behavioral Advertising. The AccuWeather Sites may be designed to utilize Online Behavioral Advertising, data collection and use practices (OBA). This means that certain information regarding your internet viewing behaviors or practices, over periods of time and perhaps involving websites or applications which are not the AccuWeather Sites, may be used for the purpose of choosing advertising to display to you. If you desire to "opt-out" of this OBA process, you can use the link at http://www.aboutads.info/choices to do so.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]