(A-sum1) ; (A-pinput) ; (A-tinput) ; (A-minput) ; (A-moutput) ;

(A-pinput) – node problem (A-sum1); (A-tinput) – node (A-sum1);

(B-sum1) ; (B-pinput) ; (B-tinput) ; (B-minput) ; (B-sum2) ;

(B-moutput) ; (B-pinput) – node rationale (B-sum1);

(A-sum1) – node (B-sum1);

(B-sum1) – node (B-sum2); (B-sum2) – node[text width=1.5cm,execute at begin node=] new shared
knowledge (B-moutput);