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 ":".
This
piece
exists
as
a
display
case
exhibit
at
the
school
.
This:O
piece:O
exists:O
as:O
a:O
display:O
case:O
exhibit:O
at:O
the:O
school:O
.:O