With no explanation, label each line with "location-GPE", "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
His
tenure
also
saw
the
annexation
of
Upper
Burma
in
1886
,
after
many
years
of
simmering
warfare
and
British
interventions
in
Burmese
politics
.
His:O
tenure:O
also:O
saw:O
the:O
annexation:O
of:O
Upper:location-GPE
Burma:location-GPE
in:O
1886:O
,:O
after:O
many:O
years:O
of:O
simmering:O
warfare:O
and:O
British:organization-government/governmentagency
interventions:O
in:O
Burmese:organization-government/governmentagency
politics:O
.:O