[{'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: BlackBerry may utilize third parties (e.g. advertising networks) to target advertisements at non-personally identifiable attributes or aggregated data that is derived from profile data processed by BlackBerry, and provide such third parties with general statistics relating to the advertisements delivered. Please visit the section below on "Managing your preferences" for more information on managing marketing or commercial communications from BlackBerry.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]