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 ":".
One
study
has
estimated
that
Comet
Hale–Bopp
has
about
a
15
%
chance
of
eventually
becoming
a
Sun-grazing
comet
.
One:O
study:O
has:O
estimated:O
that:O
Comet:other-astronomything
Hale–Bopp:other-astronomything
has:O
about:O
a:O
15:O
%:O
chance:O
of:O
eventually:O
becoming:O
a:O
Sun-grazing:other-astronomything
comet:O
.:O