[{'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 YOUR PERSONALLY-IDENTIFIABLE INFORMATION WITH THIRD PARTIES Duolingo shares your personally-identifiable information only when it is reasonably necessary to offer the Service, legally required, or permitted by you. For example: We may provide personally-identifiable information to service providers who help us bring you the Service, such as hosting the Service at a co-location facility or sending email updates. In connection with these operations, our service providers may have access to personally-identifiable information for a limited time. When we utilize service providers for processing any personally-identifiable information, we implement reasonable contractual protections limiting the use of that personally-identifiable information to the provision of services to Duolingo."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]