With no explanation, label each line with "O", "person-politician", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
has
been
theorised
that
Gibson
was
insane
at
the
time
of
the
attack
,
and
the
idea
of
assassinating
Mussolini
was
hers
and
that
she
worked
alone
.
It:O
has:O
been:O
theorised:O
that:O
Gibson:person-other
was:O
insane:O
at:O
the:O
time:O
of:O
the:O
attack:O
,:O
and:O
the:O
idea:O
of:O
assassinating:O
Mussolini:person-politician
was:O
hers:O
and:O
that:O
she:O
worked:O
alone:O
.:O