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 ":".
On
one
hand
,
Fomalhaut
b
could
be
a
planet
less
than
twice
Jupiter
's
mass
that
is
either
enshrouded
in
a
spherical
cloud
of
dust
from
ongoing
planetesimal
collisions
or
surrounded
by
a
large
circumplanetary
ring
system
,
either
of
which
are
responsible
for
scattering
the
primary
star
's
light
and
thus
making
Fomalhaut
b
visible
.
On:O
one:O
hand:O
,:O
Fomalhaut:other-astronomything
b:other-astronomything
could:O
be:O
a:O
planet:O
less:O
than:O
twice:O
Jupiter:other-astronomything
's:O
mass:O
that:O
is:O
either:O
enshrouded:O
in:O
a:O
spherical:O
cloud:O
of:O
dust:O
from:O
ongoing:O
planetesimal:O
collisions:O
or:O
surrounded:O
by:O
a:O
large:O
circumplanetary:O
ring:O
system:O
,:O
either:O
of:O
which:O
are:O
responsible:O
for:O
scattering:O
the:O
primary:O
star:O
's:O
light:O
and:O
thus:O
making:O
Fomalhaut:other-astronomything
b:other-astronomything
visible:O
.:O