With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Ken
goes
underground
and
eventually
finds
the
hive
,
however
he
is
unable
to
use
the
Ninja
Blade
to
destroy
it
.
Ken:person-other
goes:O
underground:O
and:O
eventually:O
finds:O
the:O
hive:O
,:O
however:O
he:O
is:O
unable:O
to:O
use:O
the:O
Ninja:O
Blade:O
to:O
destroy:O
it:O
.:O