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 ":".
He
had
three
siblings
:
one
brother
and
two
sisters
.
He:O
had:O
three:O
siblings:O
::O
one:O
brother:O
and:O
two:O
sisters:O
.:O