dialogue: YOU: hi , i need 3 books and 2 hats <eos> THEM: that will leave me with value three <eos> YOU: how about i take 3 books and you take the rest ? <eos> THEM: deal <eos> YOU: <selection>
output: item0=3 item1=0 item2=0 item0=0 item1=3 item2=1