With no explanation, label each line with "other-disease", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1981
Schwartz
led
one
of
the
three
groups
that
first
described
AIDS-associated
Kaposi
sarcoma
(
KS-AIDS
)
.
In:O
1981:O
Schwartz:person-other
led:O
one:O
of:O
the:O
three:O
groups:O
that:O
first:O
described:O
AIDS-associated:other-disease
Kaposi:other-disease
sarcoma:other-disease
(:O
KS-AIDS:other-disease
):O
.:O