Answer:
When does Christmas come before Thanksgiving?
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
Two people are born at the same moment, but they don't have the same birthdays. How could this be?
A serpent swam in a silver urn, A golden bird did in its mouth abide, The serpent drank the water, this in turn, Killed the serpent. Then the gold bird died.
What can be underwater, under fire, on fire and taking water all at the same time?
What is always coming but never arrives?