dialogue: YOU: i would like one of each please <eos> THEM: can i have both hats ? the rest to you <eos> YOU: i need one hat <eos> THEM: okay , i get one hat and two books <eos> YOU: sure <eos> THEM: <selection>
output: item0=0 item1=1 item2=1 item0=2 item1=1 item2=0