With no explanation, label each line with "other-livingthing", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Reduncinae
and
Hippotraginae
species
depend
on
unstable
food
sources
,
but
the
latter
are
specially
adapted
to
arid
areas
.
Reduncinae:other-livingthing
and:O
Hippotraginae:other-livingthing
species:O
depend:O
on:O
unstable:O
food:O
sources:O
,:O
but:O
the:O
latter:O
are:O
specially:O
adapted:O
to:O
arid:O
areas:O
.:O