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 ":".
T
Pyxidi
s
,
located
about
4
degrees
northeast
of
Alpha
Pyxidis
,
is
a
recurrent
nova
that
has
flared
up
to
magnitude
7
every
few
decades
.
T:other-astronomything
Pyxidi:other-astronomything
s:O
,:O
located:O
about:O
4:O
degrees:O
northeast:O
of:O
Alpha:other-astronomything
Pyxidis:other-astronomything
,:O
is:O
a:O
recurrent:O
nova:O
that:O
has:O
flared:O
up:O
to:O
magnitude:O
7:O
every:O
few:O
decades:O
.:O