dialogue: YOU: i need the book and the hats <eos> THEM: i can't give up the book , but hats are yours and i'll take two balls ? <eos> YOU: so i get the hats and 1 ball <eos> THEM: correct , does that work for you ? <eos> YOU: yes <eos> THEM: <selection>
output: item0=0 item1=2 item2=1 item0=1 item1=0 item2=2