<s>
Olli	B-Application
&	I-Application
Lissa	I-Application
is	O
a	O
series	O
of	O
three	O
action	B-Application
video	I-Application
games	I-Application
:	O
Olli	B-Application
&	I-Application
Lissa	I-Application
:	I-Application
The	I-Application
Ghost	I-Application
of	I-Application
Shilmore	I-Application
Castle	I-Application
(	O
1987	O
)	O
,	O
Olli	B-Application
&	I-Application
Lissa	I-Application
II	I-Application
:	I-Application
Halloween	I-Application
(	O
1987	O
)	O
,	O
and	O
Olli	B-Application
&	I-Application
Lissa	I-Application
3	I-Application
:	I-Application
The	I-Application
Candlelight	I-Application
Adventure	I-Application
(	O
1989	O
)	O
.	O
</s>
<s>
The	O
games	O
see	O
the	O
protagonist	O
duo	O
Olli	B-Application
&	I-Application
Lissa	I-Application
solve	O
a	O
mystery	O
.	O
</s>
<s>
It	O
was	O
the	O
UK	O
's	O
top-selling	O
ZX	B-Operating_System
Spectrum	I-Operating_System
game	O
in	O
January	O
1987	O
.	O
</s>
