With no explanation, label each line with "O", "other-astronomything", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
``
Genesis
``
was
followed
by
NASA
's
``
Stardust
``
spacecraft
,
which
returned
comet
samples
to
Earth
on
January
15
,
2006
.
``:O
Genesis:other-astronomything
``:O
was:O
followed:O
by:O
NASA:organization-government/governmentagency
's:O
``:O
Stardust:other-astronomything
``:O
spacecraft:O
,:O
which:O
returned:O
comet:O
samples:O
to:O
Earth:other-astronomything
on:O
January:O
15:O
,:O
2006:O
.:O