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
airport
has
two
passenger
terminals
,
one
for
scheduled
flights
and
the
other
for
regional
aviation
.
The:O
airport:O
has:O
two:O
passenger:O
terminals:O
,:O
one:O
for:O
scheduled:O
flights:O
and:O
the:O
other:O
for:O
regional:O
aviation:O
.:O