With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
early
1994
,
she
was
posted
to
NBC
's
London
bureau
,
covering
foreign
affairs
for
all
of
the
network
's
newscasts
.
In:O
early:O
1994:O
,:O
she:O
was:O
posted:O
to:O
NBC:organization-company
's:organization-company
London:organization-company
bureau:organization-company
,:O
covering:O
foreign:O
affairs:O
for:O
all:O
of:O
the:O
network:O
's:O
newscasts:O
.:O