[{'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: Sharing for the provision of WeChat We and our affiliate companies may share your Personal Information within our group of companies and with joint venture partners and third party service providers, contractors and agents (such as communication service providers who send emails or push notifications on our behalf, and mapping services providers who assist us and you with location data), in each case, for the following purposes: providing WeChat to you; assisting us in carrying out the purposes set out under the "How We Use Your Information" section above; carrying out our obligations and enforcing our rights under the WeChat Terms of Service or this Privacy Policy; and/or helping us understand and improve WeChat.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]