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 ":".
The
flying
column
under
Brigadier
Kingstone
then
conducted
maintenance
at
Rutbah
before
moving
on
themselves
.
The:O
flying:O
column:O
under:O
Brigadier:person-soldier
Kingstone:person-soldier
then:O
conducted:O
maintenance:O
at:O
Rutbah:person-soldier
before:O
moving:O
on:O
themselves:O
.:O