dialogue: YOU: i want the hat and 2 books <eos> THEM: can i have the hat and the ball if you can have all the books ? <eos> YOU: i absolutely need the hat <eos> THEM: ok , i agree to your first offer then . <eos> YOU: <selection>
output: item0=2 item1=1 item2=0 item0=1 item1=0 item2=1