With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
2009
,
the
Lunar
Reconnaissance
Orbiter
(
LRO
)
photographed
the
Surveyor
3
landing
site
in
some
detail
,
in
which
surrounding
astronaut
foot
tracks
could
also
be
seen
.
In:O
2009:O
,:O
the:O
Lunar:product-other
Reconnaissance:product-other
Orbiter:product-other
(:O
LRO:product-other
):O
photographed:O
the:O
Surveyor:product-other
3:product-other
landing:O
site:O
in:O
some:O
detail:O
,:O
in:O
which:O
surrounding:O
astronaut:O
foot:O
tracks:O
could:O
also:O
be:O
seen:O
.:O