With no explanation, label each line with "location-GPE", "organization-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Verizon
is
the
official
US
carrier
for
this
phone
and
released
it
in
December
2009
.
Verizon:organization-other
is:O
the:O
official:O
US:location-GPE
carrier:O
for:O
this:O
phone:O
and:O
released:O
it:O
in:O
December:O
2009:O
.:O