dialogue: YOU: gimme the hat and a book <eos> THEM: you take ball and one book <eos> YOU: need hat or no deal <eos> THEM: looks we headed to a no dela <eos> YOU: ok <eos> THEM: ok <eos> YOU: yes <eos> THEM: ok you take hat only <eos> YOU: <selection>
output: item0=0 item1=1 item2=0 item0=3 item1=0 item2=1