With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
network
's
website
launched
in
late
January
2007
,
and
the
channel
itself
on
2
July
2007
.
The:O
network:O
's:O
website:O
launched:O
in:O
late:O
January:O
2007:O
,:O
and:O
the:O
channel:O
itself:O
on:O
2:O
July:O
2007:O
.:O