With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Alternatively
,
it
could
be
a
conglomeration
of
rubble
from
a
recent
collision
between
comet-to-asteroid-sized
bodies
,
and
not
actually
a
planet
.
Alternatively:O
,:O
it:O
could:O
be:O
a:O
conglomeration:O
of:O
rubble:O
from:O
a:O
recent:O
collision:O
between:O
comet-to-asteroid-sized:O
bodies:O
,:O
and:O
not:O
actually:O
a:O
planet:O
.:O