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
sale
fetched
2.6
million
dollars
.
The:O
sale:O
fetched:O
2.6:O
million:O
dollars:O
.:O