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 ":".
There
exist
different
variations
depending
on
the
region
.
There:O
exist:O
different:O
variations:O
depending:O
on:O
the:O
region:O
.:O