dialogue: YOU: i would like the ball and 2 books . you can have the hat and 2 books . <eos> THEM: i will need the hat and 3 books if you take the ball <eos> YOU: okay deal . <eos> THEM: deal <eos> YOU: <selection>
output: item0=1 item1=0 item2=1 item0=3 item1=1 item2=0