With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
official
constellation
boundaries
,
as
set
by
Belgian
astronomer
Eugène
Delporte
in
1930
,
are
defined
by
a
polygon
of
eight
segments
.
The:O
official:O
constellation:O
boundaries:O
,:O
as:O
set:O
by:O
Belgian:location-GPE
astronomer:O
Eugène:person-other
Delporte:person-other
in:O
1930:O
,:O
are:O
defined:O
by:O
a:O
polygon:O
of:O
eight:O
segments:O
.:O