[{'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: Push Notifications. We send you push notifications if you choose to receive them for notifying you of matches for our singles service, letting you know when someone has sent you a message, or for other service-related matters. If you wish to opt-out from receiving these types of communications you may turn them off at the device level."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]