Answer:
I am there when you sit, but gone when you stand. What am I?
I run around the city but I never move.
I have roots nobody sees. I am taller than trees. Up, up I go but I never grow. What am I?
I have a neck but no head arms but no hands. What am I?
I am put on the table, cut, but never eaten. What am I?
I flow from the Homerβs mouth when he sees doughnuts.