Answer:
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
I have four legs but no tail. Usually I am heard only at night.
My first is equality; my second is inferiority; my whole is superiority.
It is destruction made out of thin air, You hear it howl and give a prayer, Through barns and houses it will tear. It is a deadly funnel, Of violent and twisting air.
Talks like this, a green wise man does. Guess my clue, you will.
What language does a billboard speak?