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 ":".
The
paper
has
run
stories
on
teenage
prostitution
,
government
corruption
,
and
an
alleged
rape
by
a
police
officer
.
The:O
paper:O
has:O
run:O
stories:O
on:O
teenage:O
prostitution:O
,:O
government:O
corruption:O
,:O
and:O
an:O
alleged:O
rape:O
by:O
a:O
police:O
officer:O
.:O