public String getSentence() {
    if(sentence != null)
      return this.sentence;
    else if(doc != null) {
      return span.getCoveredText(doc).toString();
    } else {
      return null;
    }
  }
public String getSentence ( ) { if ( sentence != null ) return this . sentence ; else if ( doc != null ) { return span . getCoveredText ( doc ) . toString ( ) ; } else { return null ; } }
Gets the original sentence.

@return the original sentence