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
's
terminal
building
and
control
tower
were
completed
in
1928
,
and
the
old
wooden
air
traffic
control
and
customs
building
demolished
.
The:O
airport:O
's:O
terminal:O
building:O
and:O
control:O
tower:O
were:O
completed:O
in:O
1928:O
,:O
and:O
the:O
old:O
wooden:O
air:O
traffic:O
control:O
and:O
customs:O
building:O
demolished:O
.:O