With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Holborn
Viaduct
station
was
temporarily
closed
on
18
August
1986
,
then
re-opened
on
30
August
.
Holborn:building-other
Viaduct:building-other
station:O
was:O
temporarily:O
closed:O
on:O
18:O
August:O
1986:O
,:O
then:O
re-opened:O
on:O
30:O
August:O
.:O