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 ":".
There
have
apparently
not
been
any
observations
of
a
star
forming
an
Einstein
ring
with
another
star
,
but
there
is
a
45
%
chance
of
this
happening
in
early
May
,
2028
when
Alpha
Centauri
A
passes
between
us
and
a
distant
red
star
.
There:O
have:O
apparently:O
not:O
been:O
any:O
observations:O
of:O
a:O
star:O
forming:O
an:O
Einstein:other-astronomything
ring:other-astronomything
with:O
another:O
star:O
,:O
but:O
there:O
is:O
a:O
45:O
%:O
chance:O
of:O
this:O
happening:O
in:O
early:O
May:O
,:O
2028:O
when:O
Alpha:other-astronomything
Centauri:other-astronomything
A:other-astronomything
passes:O
between:O
us:O
and:O
a:O
distant:O
red:O
star:O
.:O