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 ":".
Only
granite
cliffs
,
rising
to
the
height
of
,
testify
to
the
original
rocky
terrain
of
the
region
.
Only:O
granite:O
cliffs:O
,:O
rising:O
to:O
the:O
height:O
of:O
,:O
testify:O
to:O
the:O
original:O
rocky:O
terrain:O
of:O
the:O
region:O
.:O