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 ":".
As
the
magma
cooled
,
hexagonal
(
and
sometimes
4-
,
5-
,
and
7-sided
)
columns
formed
,
each
about
six
feet
in
diameter
.
As:O
the:O
magma:O
cooled:O
,:O
hexagonal:O
(:O
and:O
sometimes:O
4-:O
,:O
5-:O
,:O
and:O
7-sided:O
):O
columns:O
formed:O
,:O
each:O
about:O
six:O
feet:O
in:O
diameter:O
.:O