With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
assisted
Domenico
and
Giulio
Cesare
Fontana
in
the
completion
of
works
left
incomplete
by
Giulio
on
his
departure
for
Spain
.
He:O
assisted:O
Domenico:person-other
and:O
Giulio:person-other
Cesare:person-other
Fontana:person-other
in:O
the:O
completion:O
of:O
works:O
left:O
incomplete:O
by:O
Giulio:location-GPE
on:O
his:O
departure:O
for:O
Spain:O
.:O