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 ":".
Prize
money
was
once
again
US
$
1,000,000
.
Prize:O
money:O
was:O
once:O
again:O
US:O
$:O
1,000,000:O
.:O