<s>
Sengoku	B-Application
Ninja	I-Application
Tai	I-Application
(	O
Japanese	O
:	O
The	O
Sengoku	O
's	O
Greatest	O
Ninja	B-Application
)	O
is	O
an	O
arcade	B-Application
video	I-Application
game	I-Application
released	O
by	O
Data	O
East	O
in	O
December	O
1980	O
.	O
</s>
<s>
Also	O
known	O
as	O
Ninja	B-Application
,	O
Sengoku	B-Application
Ninja	I-Application
Tai	I-Application
was	O
the	O
second	O
game	O
released	O
for	O
the	O
DECO	B-Application
Cassette	I-Application
System	I-Application
,	O
following	O
Highway	O
Chase	O
also	O
released	O
in	O
December	O
1980	O
.	O
</s>
<s>
The	O
objective	O
of	O
the	O
game	O
is	O
to	O
shoot	O
the	O
ninjas	B-Application
before	O
they	O
reach	O
the	O
top	O
of	O
the	O
castle	O
.	O
</s>
