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 ":".
The
green
cliff
brake
is
an
invasive
fern
species
.
The:O
green:other-livingthing
cliff:other-livingthing
brake:other-livingthing
is:O
an:O
invasive:O
fern:O
species:O
.:O