graph [ node [ id 0 label "a" graphics [ type "oval" ] ] node [ id 1 label "a" graphics [ type "oval" ] ] node [ id 2 label "b" graphics [ type "oval" ] ] node [ id 3 label "c" graphics [ type "oval" ] ] node [ id 4 label "d" graphics [ type "oval" ] ] node [ id 5 label "TERMINAL" graphics [ type "rhombus" ] ] node [ id 6 label "INITIAL" graphics [ type "rectangle" ] ] edge [ source 0 target 2 label "P: 1.00" ,] edge [ source 1 target 2 label "P: 0.67" ,] edge [ source 1 target 4 label "P: 0.33" ,] edge [ source 2 target 3 label "P: 1.00" ,] edge [ source 3 target 1 label "P: 0.50" ,] edge [ source 3 target 3 label "P: 0.50" ,] edge [ source 4 target 5 label "P: 1.00" ,] edge [ source 6 target 0 label "P: 1.00" ,] ]