Answer:
Talks like this, a green wise man does. Guess my clue, you will.
What has 4 legs in the morning, 2 legs in the evening and 3 legs in the night?
You eat something you neither plant nor plow. It is the son of water, but if water touches it, it dies.
I can move even when you are still. I can be one or many.
A hill full, a hole full, yet you cannot catch a bowl full.
What never gets any wetter no matter how hard it rains?