With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
One
study
done
in
2011
achieves
successful
CD4+
T-cell
reconstitution
as
a
result
of
CCR5Δ32/Δ32
stem
cell
transplantation
at
the
systemic
level
and
in
the
gut
mucosal
immune
system
in
a
patient
with
HIV
.
One:O
study:O
done:O
in:O
2011:O
achieves:O
successful:O
CD4+:other-biologything
T-cell:other-biologything
reconstitution:O
as:O
a:O
result:O
of:O
CCR5Δ32/Δ32:other-biologything
stem:O
cell:O
transplantation:O
at:O
the:O
systemic:O
level:O
and:O
in:O
the:O
gut:O
mucosal:O
immune:O
system:O
in:O
a:O
patient:O
with:O
HIV:other-biologything
.:O