[{'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: The use of WeChat (through the WeChat mobile app, http://www.wechat.com or any third party platforms through which WeChat is provided) may involve the collection and use of your Information. It is important for you to understand how this happens and how you may control it, so please read this Privacy Policy carefully."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]