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 ":".
The
unconfirmed
planet
Gliese
581
g
is
another
good
candidate
.
The:O
unconfirmed:O
planet:O
Gliese:other-astronomything
581:other-astronomything
g:other-astronomything
is:O
another:O
good:O
candidate:O
.:O