With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
aircraft
is
made
from
sheet
aluminum
.
The:O
aircraft:O
is:O
made:O
from:O
sheet:O
aluminum:other-chemicalthing
.:O