[{'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: By using the Service, you are also agreeing to our Terms of Use. Please make sure you read and agree with our Terms of Use if you want to use Viber."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]