With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
There
were
also
three
elder
sisters
,
all
of
whom
married
known
figures
in
the
contemporary
art
world
.
There:O
were:O
also:O
three:O
elder:O
sisters:O
,:O
all:O
of:O
whom:O
married:O
known:O
figures:O
in:O
the:O
contemporary:O
art:O
world:O
.:O