dialogue: YOU: ball and hat for me please <eos> THEM: okay one of each ? <eos> YOU: and the book <eos> THEM: no i can not make that deal . i need the book and two hats <eos> YOU: ok deal <eos> THEM: okay thank you ! <eos> YOU: <selection>
output: item0=0 item1=1 item2=1 item0=1 item1=2 item2=0