With no explanation, label each line with "location-GPE", "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
One
of
Libergier
's
innovations
at
Saint-Nicaise
was
a
gabled
screen
that
was
stretched
across
the
portal
zone
of
the
facade
.
One:O
of:O
Libergier:person-scholar
's:O
innovations:O
at:O
Saint-Nicaise:location-GPE
was:O
a:O
gabled:O
screen:O
that:O
was:O
stretched:O
across:O
the:O
portal:O
zone:O
of:O
the:O
facade:O
.:O