* @return original sentence
*/
private static String getOriginalSentence(){
JEditTextArea text = jEdit.getActiveView().getTextArea();
int caret = text.getCaretPosition();
SentenceOnText sent = new SentenceOnText(text,caret);
sent.getSentenceForWord(sModel);
start = sent.getStart();
end = sent.getEnd();
return text.getText(start, end - start);
}