Answer:
What can answer in any language? What can speak without a mouth? What can sing without an ear?
A hill full, a hole full; yet you cannot catch a bowl full. What is it?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
What kind of room has no windows or doors?
What do angels sing in the shower?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?