With no explanation, label each line with "O", "person-actor", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
opening
night
cast
remained
throughout
the
entire
run
,
with
the
sole
exception
of
Christopher
Plummer
whose
character
Warwick
was
taken
up
by
Leo
Ciceri
.
The:O
opening:O
night:O
cast:O
remained:O
throughout:O
the:O
entire:O
run:O
,:O
with:O
the:O
sole:O
exception:O
of:O
Christopher:person-actor
Plummer:person-actor
whose:O
character:O
Warwick:person-other
was:O
taken:O
up:O
by:O
Leo:person-actor
Ciceri:person-actor
.:O