With no explanation, label each line with "building-other", "O", "other-astronomything", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
At
that
time
NASA
was
still
debating
placing
a
chimpanzee
in
orbit
as
part
of
the
Mercury-Atlas
subprogram
,
with
NASA
headquarters
questioning
the
wisdom
of
the
Manned
Spacecraft
Center
launching
another
unmanned
Mercury
mission
.
At:O
that:O
time:O
NASA:organization-government/governmentagency
was:O
still:O
debating:O
placing:O
a:O
chimpanzee:O
in:O
orbit:O
as:O
part:O
of:O
the:O
Mercury-Atlas:other-astronomything
subprogram:O
,:O
with:O
NASA:organization-government/governmentagency
headquarters:O
questioning:O
the:O
wisdom:O
of:O
the:O
Manned:building-other
Spacecraft:building-other
Center:building-other
launching:O
another:O
unmanned:O
Mercury:other-astronomything
mission:O
.:O