dialogue: YOU: hello , which items would you prefer ? <eos> THEM: 1 book 3 hats and the ball <eos> YOU: okay which of those items is least desirable to you ? <eos> THEM: 1 hat . <eos> YOU: okay , would you prefer the ball or the book ? <eos> THEM: i need both <eos> YOU: but which item would you prefer ? <eos> THEM: the ball <eos> YOU: how about you have the ball and a hat ? <eos> THEM: i will take 2 hats abd the ball <eos> YOU: you've got yourself a deal . <eos> THEM: <selection>
output: item0=1 item1=1 item2=0 item0=0 item1=2 item2=1