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