f g X Y f X n__f n__g X activate Y f X1 X2 n__f X1 X2 g X n__g X activate n__f X1 X2 f activate X1 X2 activate n__g X g activate X activate X X f 2 g 1 n__f 2 n__g 1 activate 1 FULL ./TRS/TRCSR/Ex4_4_Luc96b_FR.trs