With no explanation, label each line with "location-GPE", "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Reefton
is
a
small
town
in
the
West
Coast
region
of
New
Zealand
,
some
80
km
northeast
of
Greymouth
,
in
the
Inangahua
River
valley
.
Reefton:location-GPE
is:O
a:O
small:O
town:O
in:O
the:O
West:O
Coast:O
region:O
of:O
New:location-GPE
Zealand:location-GPE
,:O
some:O
80:O
km:O
northeast:O
of:O
Greymouth:location-GPE
,:O
in:O
the:O
Inangahua:location-other
River:location-other
valley:location-other
.:O