With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
June
2001
,
a
forest
fire
occurred
when
an
Air
National
Guard
plane
dropped
a
25-pound
practice
bomb
at
the
range
.
In:O
June:O
2001:O
,:O
a:O
forest:O
fire:O
occurred:O
when:O
an:O
Air:organization-other
National:organization-other
Guard:organization-other
plane:O
dropped:O
a:O
25-pound:O
practice:O
bomb:O
at:O
the:O
range:O
.:O