dialogue: YOU: i'll take both books and the hat . <eos> THEM: i would prefer one of the hats to go with the balls <eos> YOU: i'll trade the books for the balls <eos> THEM: nope i need the two balls , you can have the rest . <eos> YOU: deal i take the hat and both books <eos> THEM: <selection>
output: item0=2 item1=1 item2=0 item0=0 item1=0 item2=2