19. The computer program product as claimed in claim 18 comprising: one or more instructions for performing said method simultaneously for said group of rules and for other groups of rules associated with other linguistic values of a same output.
19. The computer program product as claimed in claim 18 comprising: one or more instructions for performing said method simultaneously for said group of rules and for other groups of rules associated with other linguistic values of a same output. 20. The computer program product as claimed in claim 19 comprising: one or more instructions for performing said method simultaneously for yet further groups associated with linguistic values of a further output value.