With no explanation, label each line with "person-soldier", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
original
script
for
the
story
featured
an
aging
Brigadier
Lethbridge
Stewart
,
who
had
been
moved
from
UNIT
to
the
Extraterrestrial
Xenological
Intelligence
Taskforce
to
study
UFO
activities
.
The:O
original:O
script:O
for:O
the:O
story:O
featured:O
an:O
aging:O
Brigadier:person-soldier
Lethbridge:person-soldier
Stewart:O
,:O
who:O
had:O
been:O
moved:O
from:O
UNIT:organization-other
to:O
the:O
Extraterrestrial:organization-other
Xenological:organization-other
Intelligence:organization-other
Taskforce:organization-other
to:O
study:O
UFO:O
activities:O
.:O