dialogue: THEM: i can let you have three balls if i get one of each object . <eos> YOU: no . i can do hat and 1 book . you get the rest . <eos> THEM: how about i get the book and two balls . you keep the hat and two balls . <eos> YOU: deal . <eos> THEM: <selection>
output: item0=0 item1=1 item2=2 item0=1 item1=0 item2=2