With no explanation, label each line with "O", "location-bodiesofwater", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1878
the
U.S.
Navy
built
a
coaling
station
on
Pago
Pago
Bay
for
its
Pacific
Squadron
and
appointed
a
local
Secretary
.
In:O
1878:O
the:O
U.S.:organization-other
Navy:organization-other
built:O
a:O
coaling:O
station:O
on:O
Pago:location-bodiesofwater
Pago:location-bodiesofwater
Bay:location-bodiesofwater
for:O
its:O
Pacific:organization-other
Squadron:organization-other
and:O
appointed:O
a:O
local:O
Secretary:O
.:O