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
lighthouse
was
automated
in
1958
.
The:O
lighthouse:O
was:O
automated:O
in:O
1958:O
.:O