EventSet known2 = new EventSet();
EventSet unknown = new EventSet();
for(int i=0; i<sample.length(); i++){
known1.addEvent(new Event(sample.charAt(i), null));
}
<BUG>known1.setAuthor("Frodo");</BUG>
for(int i=0; i<sample2.length(); i++){
known2.addEvent(new Event(sample2.charAt(i), null));
}
<BUG>known2.setAuthor("Sam");</BUG>
for(int i=0; i<sample3.length(); i++){

EventSet known2 = new EventSet();
EventSet unknown = new EventSet();
for(int i=0; i<sample.length(); i++){
known1.addEvent(new Event(sample.charAt(i), null));
}
for(int i=0; i<sample2.length(); i++){
known2.addEvent(new Event(sample2.charAt(i), null));
}
for(int i=0; i<sample3.length(); i++){
