With no explanation, label each line with "O", "event-other", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
hall
also
hosted
political
rallies
of
the
Democratic
Constitutional
Rally
under
the
presidency
of
Zine
El
Abidine
Ben
Ali
.
The:O
hall:O
also:O
hosted:O
political:O
rallies:O
of:O
the:O
Democratic:event-other
Constitutional:event-other
Rally:event-other
under:O
the:O
presidency:O
of:O
Zine:person-politician
El:person-politician
Abidine:person-politician
Ben:person-politician
Ali:person-politician
.:O