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 ":".
An
office
was
set
up
in
Sweden
and
relations
established
with
Imperial
Germany
.
An:O
office:O
was:O
set:O
up:O
in:O
Sweden:location-GPE
and:O
relations:O
established:O
with:O
Imperial:location-GPE
Germany:location-GPE
.:O