<s>
Operation	B-Application
Body	I-Application
Count	I-Application
is	O
a	O
1994	O
first-person	O
shooter	O
that	O
uses	O
the	O
Wolfenstein	B-Application
3D	I-Application
engine	O
.	O
</s>
<s>
Using	O
a	O
modified	O
Wolfenstein	B-Application
3D	I-Application
engine	O
,	O
the	O
gameplay	O
is	O
very	O
similar	O
to	O
the	O
majority	O
of	O
other	O
clones	O
of	O
the	O
time	O
.	O
</s>
