With no explanation, label each line with "other-disease", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
There
are
criticisms
within
the
scientific
community
about
directing
resources
to
repurposing
drugs
specifically
developed
for
HIV
/
AIDS
because
such
drugs
are
unlikely
to
be
effective
against
a
virus
lacking
the
specific
HIV-1
protease
they
target
.
There:O
are:O
criticisms:O
within:O
the:O
scientific:O
community:O
about:O
directing:O
resources:O
to:O
repurposing:O
drugs:O
specifically:O
developed:O
for:O
HIV:other-disease
/:O
AIDS:other-disease
because:O
such:O
drugs:O
are:O
unlikely:O
to:O
be:O
effective:O
against:O
a:O
virus:O
lacking:O
the:O
specific:O
HIV-1:other-disease
protease:O
they:O
target:O
.:O