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 ":".
They
also
successfully
completed
an
in-flight
maintenance
procedure
for
collection
of
orbiter
waste
water
,
which
allowed
the
mission
to
continue
.
They:O
also:O
successfully:O
completed:O
an:O
in-flight:O
maintenance:O
procedure:O
for:O
collection:O
of:O
orbiter:O
waste:O
water:O
,:O
which:O
allowed:O
the:O
mission:O
to:O
continue:O
.:O