dialogue: YOU: i'd love the ball and 2 books . <eos> THEM: if you take the ball i will need all 4 books <eos> YOU: so i can have the ball and the hat ? <eos> THEM: how about the ball and 1 book <eos> YOU: yeah that will work . <eos> THEM: i get 3 books and the hat <eos> YOU: yes <eos> THEM: <selection>
output: item0=1 item1=0 item2=1 item0=3 item1=1 item2=0