With no explanation, label each line with "location-GPE", "O", "person-scholar", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
current
president
is
Philibert
Nang
,
from
the
École
Normale
Supérieure
,
Libreville
.
The:O
current:O
president:O
is:O
Philibert:person-scholar
Nang:person-scholar
,:O
from:O
the:O
École:organization-education
Normale:organization-education
Supérieure:organization-education
,:O
Libreville:location-GPE
.:O