dialogue: YOU: i need the books and the hat you can have the balls <eos> THEM: i need the hat and at least one ball <eos> YOU: you can have the hat and 1 ball if i get the rest <eos> THEM: deal <eos> YOU: <selection>
output: item0=2 item1=0 item2=2 item0=0 item1=1 item2=1