{
Agent a = new Agent();
Agent b = new Agent();
Agent c = new Agent();
Agent d = new Agent();
Feedback tr = new Feedback(a,b,0.2);
Feedback tr1 = new Feedback(c,b,0.2);
Feedback tr2 = new Feedback(d,b,0.2);
Feedback tr3 = new Feedback(b,a,0.2);
Feedback tr4 = new Feedback(c,a,0.2);
Feedback tr5 = new Feedback(d,a,0.2);
Feedback tr6 = new Feedback(b,c,0.2);
Feedback tr7 = new Feedback(a,c,0.2);
Feedback tr8 = new Feedback(d,c,0.2);
Feedback tr9 = new Feedback(a,d,0.2);
Feedback tr10 = new Feedback(b,d,0.2);
Feedback tr11 = new Feedback(c,d,0.2);
ArrayList transactions = new ArrayList();
transactions.add(tr);
transactions.add(tr1);
transactions.add(tr2);