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 ":".
Construction
was
undertaken
by
Company
No
.
Construction:O
was:O
undertaken:O
by:O
Company:O
No:O
.:O