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 ":".
It
was
at
the
forefront
of
international
television
newsgathering
and
had
a
vast
network
of
foreign
bureaus
around
the
world
with
film
crews
capturing
images
of
the
events
and
people
that
defined
the
era
.
It:O
was:O
at:O
the:O
forefront:O
of:O
international:O
television:O
newsgathering:O
and:O
had:O
a:O
vast:O
network:O
of:O
foreign:O
bureaus:O
around:O
the:O
world:O
with:O
film:O
crews:O
capturing:O
images:O
of:O
the:O
events:O
and:O
people:O
that:O
defined:O
the:O
era:O
.:O