With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
A
cotton-ginning
factory
,
the
property
of
Raja
Gokul
Das
,
was
opened
in
1904
.
A:O
cotton-ginning:O
factory:O
,:O
the:O
property:O
of:O
Raja:organization-company
Gokul:organization-company
Das:organization-company
,:O
was:O
opened:O
in:O
1904:O
.:O