First of all, tide is the rise and fall of water caused by gravitational forces of the moon and sun on the oceans of the earth.
(tide; is; the rise and fall of water; T:First of all) (water; caused; by gravitational forces of the moon and sun on the oceans of the earth)
tide water
is caused
the rise and fall of water T:First of all
by gravitational forces of the moon and sun on the oceans of the earth