A tide is the periodic rising and falling of Earth's ocean surface caused by the gravitational pull of the Moon and the Sun acting on the oceans.
(A tide; is; the periodic rising and falling of Earth's ocean surface) (Earth's ocean surface; caused; by the gravitational pull of the Moon and the Sun acting on the oceans) (the Moon and the Sun; acting; on the oceans)
A tide Earth's ocean surface the Moon and the Sun
is caused acting
the periodic rising and falling of Earth's ocean surface
by the gravitational pull of the Moon and the Sun acting on the oceans
on the oceans