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 ":".
This
synthesis
is
truly
synthetic
without
any
help
from
small
biomolecule
precursors
and
also
a
linear
synthesis
with
molecule
ring
construction
in
the
order
of
A
,
B
,
C
,
D.
At
some
point
chirality
is
locked
into
the
molecule
via
an
asymmetric
synthesis
step
which
is
unique
compared
to
the
other
efforts
.
This:O
synthesis:O
is:O
truly:O
synthetic:O
without:O
any:O
help:O
from:O
small:O
biomolecule:O
precursors:O
and:O
also:O
a:O
linear:O
synthesis:O
with:O
molecule:O
ring:O
construction:O
in:O
the:O
order:O
of:O
A:O
,:O
B:O
,:O
C:O
,:O
D.:O
At:O
some:O
point:O
chirality:O
is:O
locked:O
into:O
the:O
molecule:O
via:O
an:O
asymmetric:O
synthesis:O
step:O
which:O
is:O
unique:O
compared:O
to:O
the:O
other:O
efforts:O
.:O