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 ":".
In
1977
the
business
was
nationalised
and
became
part
of
British
Shipbuilders
.
In:O
1977:O
the:O
business:O
was:O
nationalised:O
and:O
became:O
part:O
of:O
British:building-other
Shipbuilders:building-other
.:O