for(int i=0; i<sample3.length(); i++){
unknown.addEvent(new Event(sample3.charAt(i), null));
}
List<Document> knowns = new ArrayList<Document>();
Document knownDocument1 = new Document();
<BUG>knownDocument1.setAuthor(known1.getAuthor());
knownDocument1.addEventSet(null, known1);</BUG>
knowns.add(knownDocument1);
Document knownDocument2 = new Document();
<BUG>knownDocument2.setAuthor(known2.getAuthor());
knownDocument2.addEventSet(null, known2);</BUG>
knowns.add(knownDocument2);

for(int i=0; i<sample3.length(); i++){
unknown.addEvent(new Event(sample3.charAt(i), null));
}
List<Document> knowns = new ArrayList<Document>();
Document knownDocument1 = new Document();
knownDocument1.setAuthor("Frodo");
knownDocument1.addEventSet(null, known1);
knowns.add(knownDocument1);
Document knownDocument2 = new Document();
knownDocument2.setAuthor("Sam");
knownDocument2.addEventSet(null, known2);
knowns.add(knownDocument2);
