With no explanation, label each line with "organization-media/newspaper", "location-GPE", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Within
three
years
subsequent
to
the
Gaylord
purchase
,
WWTN
was
Nashville
's
highest-billing
radio
station
.
Within:O
three:O
years:O
subsequent:O
to:O
the:O
Gaylord:organization-company
purchase:O
,:O
WWTN:organization-media/newspaper
was:O
Nashville:location-GPE
's:O
highest-billing:O
radio:O
station:O
.:O