dialogue: YOU: hi , i would like the ball and books and you can have the hat <eos> THEM: i want the hat and 2 books . i can offer you the ball and 1 book . <eos> YOU: ok , that seems fair . deal <eos> THEM: <selection>
output: item0=1 item1=0 item2=1 item0=2 item1=1 item2=0