With no explanation, label each line with "event-attack/battle/war/militaryconflict", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Sometimes
unique
flags
were
made
and
used
as
battle
ensigns
,
for
example
the
one
flown
by
United
States
Naval
Forces
at
the
Battle
of
Lake
Erie
in
the
War
of
1812
.
Sometimes:O
unique:O
flags:O
were:O
made:O
and:O
used:O
as:O
battle:O
ensigns:O
,:O
for:O
example:O
the:O
one:O
flown:O
by:O
United:organization-other
States:organization-other
Naval:organization-other
Forces:organization-other
at:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Lake:event-attack/battle/war/militaryconflict
Erie:event-attack/battle/war/militaryconflict
in:O
the:O
War:O
of:O
1812:O
.:O