if( ke == null ) createKE();
try {
Timer timer = new Timer();
timer.start();
List<MExpression> ret = ke.leaveJustBest(ke.postProcess(ke.analyze(str)));
timer.stop();
printlog("총 분석 시간: " + timer.getInterval());
List<Sentence> stl = ke.divideToSentences(ret);
for( int i = 0; i < stl.size(); i++ ) {
Sentence st = stl.get(i);