Riddles

THERE IS A STORY HOUSE WHERE EVERYTHING IS RED. THE ROOF IS RED, THE GROUND IS RED, THE WALLS ARE RED, THE COUCH IS RED, THE KITCHEN IS RED, THE SINK IS RED, THE FRIDGE IS RED, THE CABINETS ARE RED, THE BEDROOMS ARE RED, THE CLOSETS ARE RED, THE CLOTHES INSIDE THEM ARE RED, BELIEVE IT OR NOT EVEN THE DOG IS RED, THE CARPET IS RED, THE FLOORS ARE RED, THE LAMPS ARE RED, THE TELEVISION IS RED, EVEN WHAT'S ON THE TELEVISION IS RED, THE RESTROOM IS RED, THE TOILET IS RED, THE TUB IS RED, AND THE MIRROR IS RED. WHAT COLOR ARE THE STAIRS?