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 ":".
In
administration
both
-
uploaded
and
downloaded
files
can
be
seen
and
statistics
of
them
is
displayed
.
In:O
administration:O
both:O
-:O
uploaded:O
and:O
downloaded:O
files:O
can:O
be:O
seen:O
and:O
statistics:O
of:O
them:O
is:O
displayed:O
.:O