dialogue: YOU: hello , i would like the hat and ball and am willing to give you the books in return <eos> THEM: not possible i need the hat or no deal <eos> YOU: okay you can have the hat but i want the 4 books then <eos> THEM: i get the hat and the ball ? <eos> YOU: just the hat <eos> THEM: i need another item <eos> YOU: how about 1 book <eos> THEM: sounds good <eos> YOU: <selection>
output: item0=3 item1=0 item2=1 item0=1 item1=1 item2=0