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 ":".
Time
Warner
retained
Time
Warner
Cable
as
a
subsidiary
until
March
2009
,
when
it
was
spun
out
as
an
independent
company
.
Time:organization-company
Warner:organization-company
retained:O
Time:organization-company
Warner:organization-company
Cable:organization-company
as:O
a:O
subsidiary:O
until:O
March:O
2009:O
,:O
when:O
it:O
was:O
spun:O
out:O
as:O
an:O
independent:O
company:O
.:O