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 ":".
If
Fomalhaut
b
is
instead
one
of
two
shepherding
planets
that
together
confine
the
debris
disk
into
a
narrow
ring
,
it
could
be
anywhere
between
several
times
the
mass
of
Mars
to
slightly
more
massive
than
Earth
.
If:O
Fomalhaut:other-astronomything
b:other-astronomything
is:O
instead:O
one:O
of:O
two:O
shepherding:O
planets:O
that:O
together:O
confine:O
the:O
debris:O
disk:O
into:O
a:O
narrow:O
ring:O
,:O
it:O
could:O
be:O
anywhere:O
between:O
several:O
times:O
the:O
mass:O
of:O
Mars:other-astronomything
to:O
slightly:O
more:O
massive:O
than:O
Earth:other-astronomything
.:O