With no explanation, label each line with "event-attack/battle/war/militaryconflict", "O", "location-bodiesofwater", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
anchors
were
believed
to
have
come
from
United
States
Navy
gunboat
barges
burned
on
the
Anacostia
River
in
1814
during
the
War
of
1812
.
The:O
anchors:O
were:O
believed:O
to:O
have:O
come:O
from:O
United:organization-government/governmentagency
States:organization-government/governmentagency
Navy:organization-government/governmentagency
gunboat:O
barges:O
burned:O
on:O
the:O
Anacostia:location-bodiesofwater
River:location-bodiesofwater
in:O
1814:O
during:O
the:O
War:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
1812:event-attack/battle/war/militaryconflict
.:O