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 ":".
is
an
Apollo
asteroid
about
11
meters
in
diameter
,
that
made
some
close
approaches
to
Earth
.
is:O
an:O
Apollo:other-astronomything
asteroid:O
about:O
11:O
meters:O
in:O
diameter:O
,:O
that:O
made:O
some:O
close:O
approaches:O
to:O
Earth:other-astronomything
.:O