<s>
The	B-Application
Dungeon	I-Application
Master	I-Application
is	O
a	O
text-based	O
role-playing	O
video	O
game	O
written	O
by	O
Graham	O
Stafford	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
published	O
by	O
Crystal	O
Computing	O
in	O
1983	O
.	O
</s>
