The Green House
Many people would say that the color of a green house is green, especially with the first words in the riddle saying a white house is white and a yellow house is yellow. If you also said green, it’s incorrect; but don’t worry you’re not alone. The green house in this riddle is referring to the greenhouse used for plants. This structure is typically made from glass, covering the plants for temperature control. So a greenhouse is not green, but transparent.
