dialogue: THEM: i take two books and one ball <eos> YOU: no , how about 1 book and 2 balls <eos> THEM: how about i just take two books thats it <eos> YOU: that will not work , i will take two books and you can have the rest <eos> THEM: ok <eos> YOU: <selection>
output: item0=2 item1=0 item2=0 item0=0 item1=2 item2=2