With no explanation, label each line with "location-GPE", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
national
LATV
network
launched
on
April
23
,
2007
,
on
16
stations
in
media
markets
with
heavy
Latino
/
Hispanic
populations
.
The:O
national:O
LATV:organization-company
network:O
launched:O
on:O
April:O
23:O
,:O
2007:O
,:O
on:O
16:O
stations:O
in:O
media:O
markets:O
with:O
heavy:O
Latino:location-GPE
/:O
Hispanic:location-GPE
populations:O
.:O