Answer:
What goes in the water red, and comes out black?
Forward I’m heavy, but backwards I’m not.
I move without wings, Between silken string, I leave as you find, My substance behind.
I follow the orders of only two. I respect the work of only two. I am in constant battles with many, Though one surpassed them all. With forces joined, We created hell, Until our mutual enemy fell. Who am I?
What has four legs during the day; and six or eight during the night?
What did the piece of wood say when he saw the screwdriver and screws approaching?