dialogue: YOU: i will give you all the hats if i can have the book and ball <eos> THEM: i really need the book . i can give you the ball for sure . ball + two hats , i'll take book + 1 hat <eos> YOU: ok sounds fair ! <eos> THEM: <selection>
output: item0=0 item1=2 item2=1 item0=1 item1=1 item2=0