dialogue: THEM: can i have the book and you keep the rest ? <eos> YOU: i'd like two balls , and a hat <eos> THEM: okay , i'll take the book and two hats . <eos> YOU: okay , deal <eos> THEM: <selection>
output: item0=0 item1=1 item2=2 item0=1 item1=2 item2=0