Whales, seals and walrus have a layer of fat that helps keep their body warm even in cold water.
(Whales, seals and walrus; have; a layer of fat that helps keep their body warm even in cold water) (a layer of fat; helps; keep their body warm even in cold water) Context(a layer of fat helps,List([30, 55))):(a layer of fat; helps keep; their body)
a layer of fat helps,List([30, 55))
Whales, seals and walrus a layer of fat a layer of fat
have helps helps keep
a layer of fat that helps keep their body warm even in cold water
keep their body warm even in cold water
their body