dialogue: YOU: i would like both books <eos> THEM: i just need one book and one ball . <eos> YOU: i really would like to keep both books and a hat <eos> THEM: ok . happy st . patrick's day . <eos> YOU: thanks ! deal <eos> THEM: <selection>
output: item0=2 item1=1 item2=0 item0=0 item1=0 item2=2