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 ":".
These
seem
to
be
mostly
transverse
dune
fields
(
with
dune
crests
perpendicular
to
prevailing
winds
)
.
These:O
seem:O
to:O
be:O
mostly:O
transverse:O
dune:O
fields:O
(:O
with:O
dune:O
crests:O
perpendicular:O
to:O
prevailing:O
winds:O
):O
.:O