dialogue: YOU: i would like one hat and the book <eos> THEM: i'd like the book . you can have all the hats <eos> YOU: and the balls ? <eos> THEM: sure you get everything <eos> YOU: ok <eos> THEM: <selection>
output: item0=0 item1=3 item2=2 item0=1 item1=0 item2=0