[{'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: Generally, we do not collect any PII from you when you download our Android applications. To be specific, we do not require the consumers to get registered before downloading the application, nor do we keep track of the consumers' visits of our application, we even don't have a Server to store such PII."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]