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 ":".
As
a
comparison
,
the
closest
star
,
Proxima
Centauri
,
is
about
4.24
light
years
from
the
Sun
,
and
Wolf
359
is
7.78
light
years
away
.
As:O
a:O
comparison:O
,:O
the:O
closest:O
star:O
,:O
Proxima:other-astronomything
Centauri:other-astronomything
,:O
is:O
about:O
4.24:O
light:O
years:O
from:O
the:O
Sun:other-astronomything
,:O
and:O
Wolf:other-astronomything
359:other-astronomything
is:O
7.78:O
light:O
years:O
away:O
.:O