With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
On
the
same
day
Mobutu
fled
into
exile
,
Laurent-Désiré
Kabila
became
the
new
president
of
Congo
.
On:O
the:O
same:O
day:O
Mobutu:person-politician
fled:O
into:O
exile:O
,:O
Laurent-Désiré:person-politician
Kabila:person-politician
became:O
the:O
new:O
president:O
of:O
Congo:O
.:O