dialogue: THEM: which items do you want ? <eos> YOU: i would like both balls and one book . <eos> THEM: would you do all 3 books and i'll take the balls and hat ? <eos> YOU: no , i can't . i would need at least 1 ball and all books . <eos> THEM: how about one ball and two books and i'll take one book one hat one ball ? <eos> YOU: ok , sounds good <eos> THEM: <selection>
output: item0=2 item1=0 item2=1 item0=1 item1=1 item2=1