With no explanation, label each line with "organization-other", "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
1888
Mangaia
became
a
British
protectorate
as
part
of
the
Cook
Islands
Federation
.
In:O
1888:O
Mangaia:person-politician
became:O
a:O
British:location-GPE
protectorate:O
as:O
part:O
of:O
the:O
Cook:organization-other
Islands:organization-other
Federation:organization-other
.:O