dialogue: THEM: i can give you all the balls if i get the rest . <eos> YOU: no i want the hat and 2 books or 2 balls <eos> THEM: you can have the hat and two balls if i get all the books <eos> YOU: okay deal <eos> THEM: <selection>
output: item0=0 item1=1 item2=2 item0=3 item1=0 item2=0