With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
On
13
December
2009
,
work
was
completed
on
the
last
18
km
line
of
the
line
between
Gricignano
and
Napoli
Centrale
.
On:O
13:O
December:O
2009:O
,:O
work:O
was:O
completed:O
on:O
the:O
last:O
18:O
km:O
line:O
of:O
the:O
line:O
between:O
Gricignano:location-GPE
and:O
Napoli:location-GPE
Centrale:location-GPE
.:O