dialogue: YOU: the book and ball for me <eos> THEM: no deal . <eos> YOU: counter ? <eos> THEM: a book , a ball and three hats <eos> YOU: how about you take everything but the book <eos> THEM: deal ! <eos> YOU: <selection>
output: item0=1 item1=0 item2=0 item0=0 item1=4 item2=2