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 ":".
Warner
acquired
the
classical
video
company
NVC
in
1994
.
Warner:organization-company
acquired:O
the:O
classical:O
video:O
company:O
NVC:organization-company
in:O
1994:O
.:O