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 ":".
Winning
entries
from
an
annual
student
art
exhibition
are
displayed
in
the
reading
room
for
a
one-year
period
.
Winning:O
entries:O
from:O
an:O
annual:O
student:O
art:O
exhibition:O
are:O
displayed:O
in:O
the:O
reading:O
room:O
for:O
a:O
one-year:O
period:O
.:O