With no explanation, label each line with "other-disease", "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
K
aposi
's
sarcoma
is
a
tumor
that
is
caused
by
a
virus
,
Kaposi
's
sarcoma-associated
herpesvirus
or
KSHV
,
discovered
in
1993
.
K:O
aposi:other-disease
's:other-disease
sarcoma:other-disease
is:O
a:O
tumor:O
that:O
is:O
caused:O
by:O
a:O
virus:O
,:O
Kaposi:other-biologything
's:other-biologything
sarcoma-associated:other-biologything
herpesvirus:other-biologything
or:O
KSHV:other-biologything
,:other-biologything
discovered:O
in:O
1993:O
.:O