With no explanation, label each line with "location-GPE", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
River
Usk
has
played
an
important
role
in
the
history
of
Wales
and
features
in
some
local
folk-tales
.
The:O
River:location-bodiesofwater
Usk:location-bodiesofwater
has:O
played:O
an:O
important:O
role:O
in:O
the:O
history:O
of:O
Wales:location-GPE
and:O
features:O
in:O
some:O
local:O
folk-tales:O
.:O