alarmNode.setContent(alarm);
johnCallsNode.setContent(johnCalls);
maryCallsNode.setContent(maryCalls);
JunctionTreeBuilder jtBuilder = new JunctionTreeBuilder(graph);
jTree = jtBuilder.build();
//jTree.initialize();
jtNode1 = jTree.getRoot();
jtNode2 = jtNode1.getChildren().get(0).getChild();
jtNode3 = jtNode1.getChildren().get(1).getChild();