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 ":".
This
star
is
a
proper
motion
member
of
the
Lower-Centaurus
Crux
sub-group
in
the
Scorpius-Centaurus
OB
association
,
the
nearest
such
association
of
co-moving
massive
stars
to
the
Sun
.
This:O
star:O
is:O
a:O
proper:O
motion:O
member:O
of:O
the:other-astronomything
Lower-Centaurus:other-astronomything
Crux:other-astronomything
sub-group:other-astronomything
in:O
the:other-astronomything
Scorpius-Centaurus:other-astronomything
OB:other-astronomything
association:other-astronomything
,:O
the:O
nearest:O
such:O
association:O
of:O
co-moving:O
massive:O
stars:O
to:O
the:O
Sun:other-astronomything
.:O