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