dialogue: YOU: i would like the book and the hat . <eos> THEM: i need the hat and 2 balls <eos> YOU: i can give you all the balls . but need the hat and book . <eos> THEM: ok deal <eos> YOU: <selection>
output: item0=1 item1=1 item2=0 item0=0 item1=0 item2=3