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 ":".
His
job
was
to
protect
the
sun
from
the
dangers
of
the
underworld
.
His:O
job:O
was:O
to:O
protect:O
the:O
sun:O
from:O
the:O
dangers:O
of:O
the:O
underworld:O
.:O