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 ":".
Its
daily
passenger
traffic
is
24.3
thousand
people
Its:O
daily:O
passenger:O
traffic:O
is:O
24.3:O
thousand:O
people:O