With no explanation, label each line with "location-GPE", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Formerly
the
Tai
Wai
Staff
Quarters
of
the
Kowloon–Canton
Railway
Corporation
,
it
consists
of
4
buildings
developed
in
1990
and
1993
respectively
by
Cheung
Kong
Holdings
.
Formerly:O
the:O
Tai:location-GPE
Wai:location-GPE
Staff:O
Quarters:O
of:O
the:O
Kowloon–Canton:organization-company
Railway:organization-company
Corporation:organization-company
,:O
it:O
consists:O
of:O
4:O
buildings:O
developed:O
in:O
1990:O
and:O
1993:O
respectively:O
by:O
Cheung:organization-company
Kong:organization-company
Holdings:organization-company
.:O