With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
postal
collection
is
being
broken
up
.
The:O
postal:O
collection:O
is:O
being:O
broken:O
up:O
.:O