With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
East
German
crews
for
the
new
aircraft
type
were
trained
in
West
Germany
;
aircraft
maintenance
was
also
performed
there
.
The:O
East:location-GPE
German:location-GPE
crews:O
for:O
the:O
new:O
aircraft:O
type:O
were:O
trained:O
in:O
West:location-GPE
Germany:location-GPE
;:O
aircraft:O
maintenance:O
was:O
also:O
performed:O
there:O
.:O