dialogue: THEM: i want the books and hat , you get balls . deal ? <eos> YOU: i need balls and book <eos> THEM: i want both books , you get the rest <eos> YOU: i need one book and ball <eos> THEM: ok , i'll take one of each . deal ? <eos> YOU: <selection>
output: item0=1 item1=0 item2=1 item0=1 item1=1 item2=1