With no explanation, label each line with "building-other", "O", "organization-other", "location-GPE", "person-soldier", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
During
the
early
1980s
she
was
reportedly
one
of
only
five
people
aware
that
Oleg
Gordievsky
,
the
deputy
head
of
the
KGB
at
the
Soviet
embassy
in
London
,
was
actually
a
double
agent
.
During:O
the:O
early:O
1980s:O
she:O
was:O
reportedly:O
one:O
of:O
only:O
five:O
people:O
aware:O
that:O
Oleg:person-soldier
Gordievsky:person-soldier
,:O
the:O
deputy:O
head:O
of:O
the:O
KGB:organization-other
at:O
the:O
Soviet:building-other
embassy:building-other
in:O
London:location-GPE
,:O
was:O
actually:O
a:O
double:O
agent:O
.:O