dialogue: THEM: hi , i would like the hat and balls and you can have the book <eos> YOU: i want two balls and the book <eos> THEM: i cant do that . i would be willing to offer you the book and hat if i can keep the balls <eos> YOU: thats not enough for me , i dont care for the hat <eos> THEM: ok , the best i can do is offer 1 ball and the book <eos> YOU: ok deal <eos> THEM: <selection>
output: item0=1 item1=0 item2=1 item0=0 item1=1 item2=2