[{'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: a. Opting-out of Firebase or OneSignal Push Notifications You may in most cases opt out of receiving push notifications by going to your device "Settings" and clicking on "Notifications," and then changing those settings for some or all of the apps on your device. (Different device configurations, or updates to devices, may affect or change how these settings work.)'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]