<s>
is	O
a	O
1998	O
action	B-Application
role-playing	I-Application
video	I-Application
game	I-Application
for	O
the	O
PlayStation	B-Device
based	O
on	O
the	O
Battle	O
Angel	O
Alita	O
manga	O
series	O
.	O
</s>
<s>
Gunnm	B-Application
:	I-Application
Martian	I-Application
Memory	I-Application
is	O
an	O
adaptation	O
of	O
the	O
Battle	O
Angel	O
Alita	O
manga	O
,	O
following	O
the	O
protagonist	O
and	O
title	O
character	O
Alita	O
(	O
Gally	O
)	O
from	O
her	O
discovery	O
in	O
the	O
Tiphares	O
dump	O
heap	O
by	O
Daisuke	O
Ido	O
up	O
through	O
and	O
beyond	O
her	O
career	O
as	O
a	O
TUNED	O
agent	O
.	O
</s>
<s>
Kishiro	O
eventually	O
decided	O
to	O
take	O
the	O
story	O
that	O
he	O
had	O
developed	O
for	O
Gunnm	B-Application
:	I-Application
Martian	I-Application
Memory	I-Application
and	O
expand	O
it	O
further	O
,	O
using	O
it	O
as	O
the	O
basis	O
for	O
the	O
mangas	O
Battle	O
Angel	O
Alita	O
:	O
Last	O
Order	O
and	O
Battle	O
Angel	O
Alita	O
:	O
Mars	O
Chronicle	O
,	O
which	O
continue	O
the	O
story	O
of	O
Battle	O
Angel	O
Alita	O
.	O
</s>
