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