The plate is so dense that gravity pulls it into the Earth, causing it to subduct.
(The plate; is; so dense that gravity pulls it into the Earth) (gravity; pulls; it; into the Earth) Context(gravity pulls,List([27, 40))):(gravity; pulls it causing; it)
gravity pulls,List([27, 40))
The plate gravity gravity
is pulls pulls it causing
so dense that gravity pulls it into the Earth
it into the Earth
it