dialogue: YOU: im willing to give all books and hat , for the balls for me <eos> THEM: hard to say yes to that , gimme one ball in addition <eos> YOU: how about i take the hat and 2 balls <eos> THEM: deal <eos> YOU: <selection>
output: item0=0 item1=1 item2=2 item0=3 item1=0 item2=1