dialogue: THEM: i need both balls and one book <eos> YOU: can i keep the hat and both books or the hat and both balls ? <eos> THEM: you can have the hat and one book <eos> YOU: how about the hat and a ball ? <eos> THEM: i cant give you a ball <eos> YOU: hat and two books then ? <eos> THEM: <selection>
output: item0=2 item1=1 item2=0 item0=0 item1=0 item2=2