With no explanation, label each line with "person-soldier", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Goering
donned
a
portable
oxygen
mask
and
put
out
the
fire
with
a
fire
extinguisher
.
Goering:person-soldier
donned:O
a:O
portable:O
oxygen:O
mask:O
and:O
put:O
out:O
the:O
fire:O
with:O
a:O
fire:O
extinguisher:O
.:O