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 ":".
Its
characteristics
are
long
,
white
wool
,
curved
horns
,
weighing
up
to
80
kg
.
Its:O
characteristics:O
are:O
long:O
,:O
white:O
wool:O
,:O
curved:O
horns:O
,:O
weighing:O
up:O
to:O
80:O
kg:O
.:O