With no explanation, label each line with "O", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Wreath
Nebula
(
also
known
as
Barnard
3
or
IRAS
Ring
G159.6-18.5
is
an
emission
nebula
and
H
II
region
with
a
radius
of
about
22
light-years
,
located
about
1,000
light-years
away
within
our
Milky
Way
in
the
Perseus
molecular
cloud
complex
,
near
the
boundary
with
the
constellation
of
Taurus
.
The:O
Wreath:other-astronomything
Nebula:other-astronomything
(:O
also:O
known:O
as:O
Barnard:other-astronomything
3:other-astronomything
or:O
IRAS:other-astronomything
Ring:other-astronomything
G159.6-18.5:other-astronomything
is:O
an:O
emission:O
nebula:O
and:O
H:O
II:O
region:O
with:O
a:O
radius:O
of:O
about:O
22:O
light-years:O
,:O
located:O
about:O
1,000:O
light-years:O
away:O
within:O
our:O
Milky:other-astronomything
Way:other-astronomything
in:O
the:O
Perseus:other-astronomything
molecular:other-astronomything
cloud:other-astronomything
complex:other-astronomything
,:O
near:O
the:O
boundary:O
with:O
the:O
constellation:O
of:O
Taurus:other-astronomything
.:O