str += "end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Person p1 = new Person( "darth",
"stilton",
100 );
Person p2 = new Person( "yoda",
"stilton",
300 );
Person p3 = new Person( "luke",
"brie",
300 );
Person p4 = new Person( "bobba",
"cheddar",
300 );
ksession.insert( p1 );
ksession.insert( p2 );