With no explanation, label each line with "location-GPE", "O", "art-other", "art-broadcastprogram", "art-film", "art-music", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Alexander
Mosaic
is
now
displayed
on
a
wall
and
preserved
in
Naples
.
The:O
Alexander:art-other
Mosaic:art-other
is:O
now:O
displayed:O
on:O
a:O
wall:O
and:O
preserved:O
in:O
Naples:location-GPE
.:O