RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
RuleBase ruleBase = ruleBaseLoader.buildRuleBase();
WorkingMemory workingMemory = ruleBase.newWorkingMemory( );
State a = new State( "A" );
State b = new State( "B" );
State c = new State( "C" );
State d = new State( "D" );