With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Apart
from
its
core
activity
of
cargo
transportation
,
Airborne
Express
also
performed
airframe
maintenance
services
to
a
number
of
aircraft
types
.
Apart:O
from:O
its:O
core:O
activity:O
of:O
cargo:O
transportation:O
,:O
Airborne:organization-company
Express:organization-company
also:O
performed:O
airframe:O
maintenance:O
services:O
to:O
a:O
number:O
of:O
aircraft:O
types:O
.:O