With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Ledeburite-II
(
at
ambient
temperature
)
is
composed
of
cementite-I
with
recrystallized
secondary
cementite
(
which
separates
from
austenite
as
the
metal
cools
)
and
(
with
slow
cooling
)
of
pearlite
.
Ledeburite-II:other-chemicalthing
(:O
at:O
ambient:O
temperature:O
):O
is:O
composed:O
of:O
cementite-I:other-chemicalthing
with:O
recrystallized:O
secondary:O
cementite:other-chemicalthing
(:O
which:O
separates:O
from:O
austenite:other-chemicalthing
as:O
the:O
metal:O
cools:O
):O
and:O
(:O
with:O
slow:O
cooling:O
):O
of:O
pearlite:other-chemicalthing
.:O