dialogue: YOU: i'd love to have the basketball and the book <eos> THEM: i want those things too <eos> YOU: i guess you could take the book <eos> THEM: along with one hat <eos> YOU: you want the book and one hat ? <eos> THEM: yes <eos> YOU: deal <eos> THEM: <selection>
output: item0=0 item1=2 item2=1 item0=1 item1=1 item2=0