With no explanation, label each line with "location-GPE", "O", "location-island", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Nils
Larsen
of
Sandefjord
's
expeditions
of
Antarctica
led
to
Norway
's
annexation
of
Bouvet
Island
in
1927
and
Peter
I
Island
in
1929
.
Nils:location-GPE
Larsen:location-GPE
of:O
Sandefjord:location-GPE
's:O
expeditions:O
of:O
Antarctica:location-GPE
led:O
to:O
Norway:location-GPE
's:O
annexation:O
of:O
Bouvet:location-island
Island:location-island
in:O
1927:O
and:O
Peter:location-island
I:location-island
Island:location-island
in:O
1929:O
.:O