[{'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: This Privacy Policy is incorporated into and forms part of the WeChat Terms of Service that you have agreed to in order to use WeChat. Any terms used in this Privacy Policy will have the same meaning as the equivalent defined terms in the WeChat Terms of Service, unless otherwise defined in this Privacy Policy or the context requires otherwise."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]