dialogue: THEM: i'd like the book the hat and two balls . <eos> YOU: no deal , i want the 3 balls you can have the rest <eos> THEM: ok . i take the hat and the book . <eos> YOU: i will take 3 balls you have remaining , good deal <eos> THEM: <selection>
output: item0=0 item1=0 item2=3 item0=1 item1=1 item2=0