Hello how may I help you? can you help me with world knowledge? Yes, I can help you with that! What would you like to know? what is the biggest river? Please wait one moment while I process your request. ok I am sorry, but I seem to have encountered an error. Our database is down for repair, so I do not have access to the information you are asking for. Please try again later. what? it's common knowledge I apologize for the inconvenience. The database is down for repair. Please check back later. We will be up and running again shortly. ok fine Thank you for using our services. We hope to help you again soon.