dialogue: YOU: i would like 2 books and 1 ball <eos> THEM: i really need both books as well <eos> YOU: ok then 1 book and 2 balls <eos> THEM: deal <eos> YOU: should we split the hats ? <eos> THEM: <selection>
output: item0=1 item1=0 item2=2 item0=1 item1=2 item2=0