With no explanation, label each line with "location-GPE", "O", "event-protest", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
1989
Romanian
Revolution
was
a
revolution
in
Romania
that
resulted
in
the
overthrow
of
the
regime
of
Nicolae
and
Elena
Ceaușescu
.
The:O
1989:O
Romanian:event-protest
Revolution:event-protest
was:O
a:O
revolution:O
in:O
Romania:location-GPE
that:O
resulted:O
in:O
the:O
overthrow:O
of:O
the:O
regime:O
of:O
Nicolae:person-politician
and:O
Elena:person-politician
Ceaușescu:person-politician
.:O