[{'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: Displaying advertisements: when you use our Applications or Websites we may display contextual advertisements and in order to do that we must use some of your device data, namely your advertising ID. For some territories, we may use the information for behavioral advertisements, but we will always follow accepted market practices and request your consent. For opting out from behavioral advertisements please visit Opt-Out Section of this Privacy Policy. Tracking for advertising purposes: For some Applications we may track installs through our tracking providers for the purposes of measuring our advertising campaign performance."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Ad_ID_1stParty, Identifier_Ad_ID_3rdParty.'}]