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
aircraft
has
a
newly
designed
welded
4130
steel
tubing
fuselage
,
covered
in
doped
aircraft
fabric
.
The:O
aircraft:O
has:O
a:O
newly:O
designed:O
welded:O
4130:O
steel:O
tubing:O
fuselage:O
,:O
covered:O
in:O
doped:O
aircraft:O
fabric:O
.:O