The tertiary consumers are are eaten by quaternary consumers -- an example is a hawk that eats owls.
(a hawk; eats; owls) (an example; is; a hawk that eats owls) Context(an example is,List([64, 77))):(The tertiary consumers; are are eaten; by quaternary consumers)
an example is,List([64, 77))
a hawk an example The tertiary consumers
eats is are are eaten
owls
a hawk that eats owls
by quaternary consumers