dialogue: THEM: i would like the hat and the ball and one book . <eos> YOU: i can offer you the hat and one book <eos> THEM: how about i take the hat and the ball and you take all the books ? <eos> YOU: i need the ball and three books <eos> THEM: ok , i agree . <eos> YOU: <selection>
output: item0=3 item1=0 item2=1 item0=1 item1=1 item2=0