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
was
no
restriction
in
it
.
There:O
was:O
no:O
restriction:O
in:O
it:O
.:O