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 ":".
6152
had
been
built
at
Derby
Works
in
1930
.
6152:O
had:O
been:O
built:O
at:O
Derby:O
Works:O
in:O
1930:O
.:O