dialogue: YOU: can i have the hats and a book please ? <eos> THEM: you can have the hats , i would need everything else <eos> YOU: i have the hats , but i will need either a book or a ball . or no deal . <eos> THEM: take the hats and a book <eos> YOU: deal . <eos> THEM: <selection>
output: item0=1 item1=2 item2=0 item0=3 item1=0 item2=1