Hello how may I help you? What is the longest thing in the World? I'm afraid I can only answer specific questions, that's too vague. I thought you knew stuff What kind of thing would you like to know about? Hot dogs? Trains? I know about those things. What is the longest thing in the world? I can only answer if you tell me what kind of thing you want to know about. You should know answers shouldn't you? I know answers about specific world records. Okay then Can I help you with a specific question? Bye Have a good day.