Like most whales, the dolphin's body is surrounded by a thick layer of fat (called blubber) just under the skin that helps keep the dolphin warm.
(the dolphin's body; is surrounded; by a thick layer of fat (called blubber) just under the skin) (the skin; helps; keep the dolphin warm) Context(the skin helps,List([103, 122))):(the skin; helps keep; the dolphin)
the skin helps,List([103, 122))
the dolphin's body the skin the skin
is surrounded helps helps keep
by a thick layer of fat (called blubber) just under the skin
keep the dolphin warm
the dolphin