Answer:
What object has keys that open no locks, space but no room, and you can enter but not go in?
What runs around the whole yard without moving?
What fastens two people yet touches only one?
There are 7 birds in a tree. A hunter shoots one bird down. How many birds are left in the tree?
What get's more wet while it dries?
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.