dialogue: YOU: what would you like <eos> THEM: the ball and 2 hats . <eos> YOU: ball and one hat for you ? <eos> THEM: is there any way i can get 2 hats ? <eos> YOU: one hat <eos> THEM: deal . <eos> YOU: <selection>
output: item0=1 item1=2 item2=0 item0=0 item1=1 item2=1