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 ":".
Most
of
the
volcanism
here
is
expressed
as
paterae
,
which
range
in
size
from
circular
to
elliptical
.
Most:O
of:O
the:O
volcanism:O
here:O
is:O
expressed:O
as:O
paterae:O
,:O
which:O
range:O
in:O
size:O
from:O
circular:O
to:O
elliptical:O
.:O