[{'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: COMMUNICATIONS FROM US Newsletters and other types of communications When you use WeChat, we may use your Information to send you emails, messages, newsletters or push notifications to your device. If you no longer wish to receive these communications, you can do so by following the unsubscribe instructions in the emails we send to you, opting out of notifications at the device level (if available) or contacting our Privacy Officer."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]