Operator: Computer, the door is open, the door is closed. Is the door closed?
Computer: I don't know!
Operator: Computer, the door is open, the door is closed. Is the door open?
Computer: Yes!
Operator: Computer, is the door closed?
Computer: Yes!
Operator: Sigh...
Operator: Computer, the sky is green, the sky is blue. Which color has the sky?
Computer: It was green, but changed to blue right now.
Operator: Computer, what is the square root of 2?
Computer: <SYSTEM ERROR: STACK OVERFLOW>
Operator: Computer, who put the money under the pillow?
Computer: The tooth fairy, of course!