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 ":".
A
total
of
thirty-three
curlers
are
Olympic
veterans
.
A:O
total:O
of:O
thirty-three:O
curlers:O
are:O
Olympic:O
veterans:O
.:O