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 ":".
With
an
apparent
magnitude
of
about
14
,
it
was
the
third-brightest
supernova
observed
in
2010
.
With:O
an:O
apparent:O
magnitude:O
of:O
about:O
14:O
,:O
it:O
was:O
the:O
third-brightest:O
supernova:O
observed:O
in:O
2010:O
.:O