dialogue: YOU: i'd like balls and book please . you can have all hats . <eos> THEM: how about i have 1 ball , and the hats <eos> YOU: sorry , i need all balls and books if i give you all hats <eos> THEM: how about 2 balls for me , and you can have the rest <eos> YOU: no deal , i need the balls . <eos> THEM: how about i get two hats , and 1 book <eos> YOU: i can work with that . <eos> THEM: thanks <eos> YOU: <selection>
output: item0=0 item1=0 item2=2 item0=1 item1=2 item2=0