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
eight
housing
blocks
and
the
theatre
and
cinema
remained
empty
shells
.
The:O
eight:O
housing:O
blocks:O
and:O
the:O
theatre:O
and:O
cinema:O
remained:O
empty:O
shells:O
.:O