With no explanation, label each line with "O", "organization-company", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Two
were
CountryLink
services
that
carried
CityRail
passengers
.
Two:O
were:O
CountryLink:organization-other
services:O
that:O
carried:O
CityRail:organization-company
passengers:O
.:O