01234567890123456789012345678901234567890 conversation presentation_application { connection c1 (1-to-1, ordered FIFO, quaranteed delivery) ; connection c2 (1-to-1, ordered FIFO, quaranteed delivery) ; dagent d1 on c1 ; dagent d2 on c2 ; alphabet ( BYTE ) ; term t1 (int n) ; term t2 (int m) ; term t3 (int results) ; sentence s1 (t1, t2) from c1 to c2 ; sentence s2 (t3) from c2 to c1 ; behavior (s1 ; s2) ; with options (volatile, data open, marshaled, unauthenicated, unauthorized); } ;