dialogue: YOU: i would like the ball and both hats . <eos> THEM: how about 2 books and a hat ? <eos> YOU: can't do that . <eos> THEM: the ball and a book <eos> YOU: at the least i would need the ball , a book and a hat . <eos> THEM: ok lets do it <eos> YOU: <selection>
output: item0=1 item1=1 item2=1 item0=1 item1=1 item2=0