dialogue: THEM: i would like the books and the hat <eos> YOU: let me have a book and a hat and you have a deal <eos> THEM: you can have the hat and the balls . i need all of the books <eos> YOU: ok deal <eos> THEM: <selection>
output: item0=0 item1=1 item2=3 item0=3 item1=0 item2=0