<s>
Object	B-Language
Lisp	I-Language
was	O
a	O
computer	O
programming	O
language	O
,	O
a	O
dialect	O
of	O
the	O
Lisp	B-Language
language	I-Language
.	O
</s>
<s>
It	O
was	O
an	O
object-oriented	B-Language
extension	O
for	O
the	O
Lisp	B-Language
dialect	O
Lisp	B-Language
Machine	I-Language
Lisp	I-Language
,	O
designed	O
by	O
Lisp	B-Operating_System
Machines	I-Operating_System
,	O
Inc	O
.	O
</s>
<s>
Object	B-Language
Lisp	I-Language
was	O
also	O
an	O
early	O
example	O
of	O
prototype-based	B-Application
programming	I-Application
.	O
</s>
<s>
It	O
was	O
seen	O
as	O
a	O
competitor	O
to	O
other	O
object-oriented	B-Language
extensions	O
to	O
Lisp	B-Language
at	O
around	O
the	O
same	O
time	O
such	O
as	O
Flavors	B-Language
,	O
in	O
use	O
by	O
Symbolics	O
,	O
Common	O
Objects	O
developed	O
by	O
Hewlett-Packard	O
,	O
and	O
CommonLoops	B-Language
,	O
in	O
use	O
by	O
Xerox	O
.	O
</s>
<s>
Object	B-Language
Lisp	I-Language
was	O
also	O
used	O
in	O
early	O
versions	O
of	O
Macintosh	B-Language
Common	I-Language
Lisp	I-Language
.	O
</s>
<s>
There	O
,	O
the	O
user	O
interface	O
toolkit	O
was	O
written	O
using	O
Object	B-Language
Lisp	I-Language
.	O
</s>
