With no explanation, label each line with "organization-media/newspaper", "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
CKAT
is
currently
one
of
the
last
high-powered
commercial
AM
radio
stations
operating
in
Northern
Ontario
.
CKAT:organization-media/newspaper
is:O
currently:O
one:O
of:O
the:O
last:O
high-powered:O
commercial:O
AM:O
radio:O
stations:O
operating:O
in:O
Northern:O
Ontario:location-GPE
.:O