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