<s>
Option	B-Application
–	I-Application
operand	I-Application
separation	I-Application
is	O
a	O
principle	O
of	O
imperative	B-Application
computer	B-General_Concept
programming	I-General_Concept
.	O
</s>
<s>
It	O
was	O
devised	O
by	O
Bertrand	O
Meyer	O
as	O
part	O
of	O
his	O
pioneering	O
work	O
on	O
the	O
Eiffel	B-Language
programming	I-Language
language	I-Language
.	O
</s>
