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 ":".
Messier
15
or
M15
(
also
designated
NGC
7078
)
is
a
globular
cluster
in
the
constellation
Pegasus
.
Messier:other-astronomything
15:other-astronomything
or:O
M15:other-astronomything
(:O
also:O
designated:O
NGC:other-astronomything
7078:other-astronomything
):O
is:O
a:O
globular:O
cluster:O
in:O
the:O
constellation:O
Pegasus:other-astronomything
.:O