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 ":".
The
list
of
names
comprising
the
Three
August
Ones
and
Five
Emperors
vary
widely
among
sources
.
The:O
list:O
of:O
names:O
comprising:O
the:O
Three:O
August:O
Ones:O
and:O
Five:O
Emperors:O
vary:O
widely:O
among:O
sources:O
.:O