For example, harbor seals have a thick layer of blubber that helps them keep warm, while sea otters rely on a dense fur coat for insulation.
(harbor seals; have; a thick layer of blubber that helps them keep warm) (sea otters; rely; on a dense fur coat; for insulation) (a thick layer of blubber; helps; them keep warm) Context(a thick layer of blubber helps,List([31, 66))):(them; keep; warm)
a thick layer of blubber helps,List([31, 66))
harbor seals sea otters a thick layer of blubber them
have rely helps keep
a thick layer of blubber that helps them keep warm
on a dense fur coat for insulation
them keep warm
warm