[{'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: If the recipient can be messaged via the hike application, the message is delivered to that recipient via data service routed through our servers. Any messages that are undelivered are held on the hike servers until they can be delivered or for a period of 30 days whichever is earlier. Messages and Files that are sent through the Service temporarily reside on our servers for a short period of time until delivery of such messages or files to the intended recipient is complete."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]