diff --git a/mar.net b/mar.net
index e3a978f95809bb76132fdeae6e722b584bbd5364..d166e0d9c8078e370401f06ebf40b71318f0abc9 100644
--- a/mar.net
+++ b/mar.net
@@ -22,19 +22,19 @@ node C {
    ID = "C";
 }
 
-node Ia {
+node IA {
    states = (0 1 );
    label = "Ia";
    ID = "Ia";
 }
 
-node Ib {
+node IB {
    states = (0 1 );
    label = "Ib";
    ID = "Ib";
 }
 
-node Ic {
+node IC {
    states = (0 1 );
    label = "Ic";
    ID = "Ic";
@@ -56,17 +56,17 @@ potential ( C | B  ) {
    (   0.371633   0.628367));   % B=1   
 }
 
-potential (Ia) {
+potential (IA) {
    data = (  0.8 0.2);
 }
 
-potential ( Ib | A  ) {
+potential ( IB | A  ) {
    data = 
    ((   0.664707   0.335293)   % A=0   
    (   0.344864   0.655136));   % A=1   
 }
 
-potential ( Ic | B  ) {
+potential ( IC | B  ) {
    data = 
    ((   0.664707   0.335293)   % B=0   
    (   0.344864   0.655136));   % B=1   
diff --git a/test.net b/test.net
index 2ea7a8660b1b747c916fba35561bd116adb3a3d2..35c9df2c98399c16e20c907adabf2305c04b3797 100644
--- a/test.net
+++ b/test.net
@@ -1,52 +1,42 @@
-
 net {
-  name = unnamedBN;
+  name = mar;
   software = "aGrUM 1.17.1";
   node_size = (50 50);
 }
 
-node B {
-   states = (0 1 );
-   label = "B";
-   ID = "B";
-}
-
 node A {
    states = (0 1 );
    label = "A";
    ID = "A";
 }
 
-node Ia {
+node B {
    states = (0 1 );
-   label = "Ia";
-   ID = "Ia";
+   label = "B";
+   ID = "B";
 }
 
-node Ib {
+node IB {
    states = (0 1 );
-   label = "Ib";
-   ID = "Ib";
-}
-
-potential ( B | A   ) {
-   data = 
-   ((   0.515132   0.484868)   % A=0   
-   (   0.371633   0.628367));   % A=1   
+   label = "IB";
+   ID = "IB";
 }
 
 potential (A) {
-   data = (  0.561407 0.438593);
+   data = (  0.6 0.4);
 }
 
-potential (Ib) {
-   data = (  0.8 0.2);
+potential ( B | A   ) {
+   data = 
+   ((   0.2        0.8)   % A=0   
+   (    0.6        0.4));      % A=1   
 }
 
-potential ( Ia | B   ) {
+
+potential ( IB | A  ) {
    data = 
-   ((   0.664707   0.335293)   % B=0   
-   (   0.344864   0.655136));   % B=1   
+   ((   0.7   0.3)   % A=0   
+   (   0.3   0.7));   % A=1   
 }