With no explanation, label each line with "O", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Brashear
was
serving
aboard
when
it
was
dispatched
to
find
and
recover
the
missing
bomb
for
the
Air
Force
.
Brashear:person-other
was:O
serving:O
aboard:O
when:O
it:O
was:O
dispatched:O
to:O
find:O
and:O
recover:O
the:O
missing:O
bomb:O
for:O
the:O
Air:organization-other
Force:organization-other
.:O