With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
But
as
time
passed
,
the
kings
became
irritated
at
each
other
's
prosperity
,
and
eventually
one
of
them
attacked
the
other
.
But:O
as:O
time:O
passed:O
,:O
the:O
kings:O
became:O
irritated:O
at:O
each:O
other:O
's:O
prosperity:O
,:O
and:O
eventually:O
one:O
of:O
them:O
attacked:O
the:O
other:O
.:O