dialogue: THEM: i want the ball and book <eos> YOU: i want the 3 hats and the book . <eos> THEM: i can give you all the hats , but really need the book <eos> YOU: okay , can i have the ball and 3 hats ? <eos> THEM: no , i need both the ball and book <eos> YOU: okay i'll take the 3 hats then . <eos> THEM: <selection>
output: item0=0 item1=3 item2=0 item0=1 item1=0 item2=1