1network unknown {
2}
3variable A {
4  type discrete [ 3 ] { young, adult, old };
5}
6variable S {
7  type discrete [ 2 ] { M, F };
8}
9variable E {
10  type discrete [ 2 ] { high, uni };
11}
12variable O {
13  type discrete [ 2 ] { emp, self };
14}
15variable R {
16  type discrete [ 2 ] { small, big };
17}
18variable T {
19  type discrete [ 3 ] { car, train, other };
20}
21probability ( A ) {
22  table 0.3, 0.5, 0.2;
23}
24probability ( S ) {
25  table 0.6, 0.4;
26}
27probability ( E | A, S ) {
28  (young, M) 0.75, 0.25;
29  (adult, M) 0.72, 0.28;
30  (old, M) 0.88, 0.12;
31  (young, F) 0.64, 0.36;
32  (adult, F) 0.7, 0.3;
33  (old, F) 0.9, 0.1;
34}
35probability ( O | E ) {
36  (high) 0.96, 0.04;
37  (uni) 0.92, 0.08;
38}
39probability ( R | E ) {
40  (high) 0.25, 0.75;
41  (uni) 0.2, 0.8;
42}
43probability ( T | O, R ) {
44  (emp, small) 0.48, 0.42, 0.10;
45  (self, small) 0.56, 0.36, 0.08;
46  (emp, big) 0.58, 0.24, 0.18;
47  (self, big) 0.70, 0.21, 0.09;
48}
49