dialogue: YOU: i would like the hat and 2 balls . <eos> THEM: i can't do that . i would need at least 3 balls or 2 balls and a hat . <eos> YOU: i can not give the hat . i can give you everything else . <eos> THEM: deal <eos> YOU: <selection>
output: item0=0 item1=1 item2=0 item0=2 item1=0 item2=3