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 ":".
These
bus
services
appeared
in
CityRail
timetables
and
accepted
CityRail
tickets
,
but
were
operated
by
private
sector
bus
companies
contracted
by
CityRail
.
These:O
bus:O
services:O
appeared:O
in:O
CityRail:organization-company
timetables:O
and:O
accepted:O
CityRail:organization-company
tickets:O
,:O
but:O
were:O
operated:O
by:O
private:O
sector:O
bus:O
companies:O
contracted:O
by:O
CityRail:organization-company
.:O