(VAR X X1 X2 Y )
(STRATEGY INNERMOST)
(RULES 
        f(g(X),Y) -> f(X,n__f(g(X),activate(Y)))
        f(X1,X2) -> n__f(X1,X2)
        activate(n__f(X1,X2)) -> f(X1,X2)
        activate(X) -> X
        
)