dialogue: YOU: i want two books and one hat . you get a hat and the balls . <eos> THEM: any chance i can get 1 book instead of 1 hat ? <eos> YOU: yeah . i'll let you have the balls and a book . <eos> THEM: deal <eos> YOU: <selection>
output: item0=1 item1=2 item2=0 item0=1 item1=0 item2=2