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 ":".
A
supernova
was
detected
in
NGC
3244
on
June
27
,
2010
,
designated
SN
2010ev
.
A:O
supernova:O
was:O
detected:O
in:O
NGC:other-astronomything
3244:other-astronomything
on:O
June:O
27:O
,:O
2010:O
,:O
designated:O
SN:other-astronomything
2010ev:other-astronomything
.:O