With no explanation, label each line with "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Buck
agreed
in
principle
with
the
idea
of
a
long
rest
,
but
disagreed
with
the
choice
of
Kansas
City
because
the
bloody
Kansas
City
Massacre
of
some
weeks
earlier
meant
that
numerous
federal
,
state
,
and
local
police
officers
were
yet
seeking
gangsters
in
the
area
.
Buck:O
agreed:O
in:O
principle:O
with:O
the:O
idea:O
of:O
a:O
long:O
rest:O
,:O
but:O
disagreed:O
with:O
the:O
choice:O
of:O
Kansas:location-GPE
City:location-GPE
because:O
the:O
bloody:O
Kansas:event-attack/battle/war/militaryconflict
City:event-attack/battle/war/militaryconflict
Massacre:event-attack/battle/war/militaryconflict
of:O
some:O
weeks:O
earlier:O
meant:O
that:O
numerous:O
federal:O
,:O
state:O
,:O
and:O
local:O
police:O
officers:O
were:O
yet:O
seeking:O
gangsters:O
in:O
the:O
area:O
.:O