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 ":".
But
she
was
also
selfish
and
cruel
to
give
up
her
little
daughter
and
son
.
But:O
she:O
was:O
also:O
selfish:O
and:O
cruel:O
to:O
give:O
up:O
her:O
little:O
daughter:O
and:O
son:O
.:O