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 ":".
There
have
been
several
attempts
to
identify
objects
discovered
subsequently
either
as
Biela
's
Comet
or
as
a
remnant
of
it
.
There:O
have:O
been:O
several:O
attempts:O
to:O
identify:O
objects:O
discovered:O
subsequently:O
either:O
as:O
Biela:other-astronomything
's:other-astronomything
Comet:other-astronomything
or:O
as:O
a:O
remnant:O
of:O
it:O
.:O