[{'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: Use of information: This app may show advertisements. If that is the case, it might use and advertisement ID provided by your device in order to show ads which are relevant to you. This advertisement ID is anonymous and it might be reset by yourself. For more information about Advertisement ID and/or resetting it if possible, please refer to the privacy policy of the operating system of your device."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Ad_ID_1stParty.'}]