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 ":".
The
United
States
declared
war
on
Great
Britain
in
June
1812
,
and
the
British
Canadians
once
again
turned
to
North
American
Indians
on
the
interior
to
provide
manpower
for
their
frontier
war
effort
.
The:O
United:location-GPE
States:location-GPE
declared:O
war:O
on:O
Great:location-GPE
Britain:location-GPE
in:O
June:O
1812:O
,:O
and:O
the:O
British:location-GPE
Canadians:O
once:O
again:O
turned:O
to:O
North:O
American:location-GPE
Indians:O
on:O
the:O
interior:O
to:O
provide:O
manpower:O
for:O
their:O
frontier:O
war:O
effort:O
.:O