dialogue: THEM: what would you like <eos> YOU: hello , may i have 3 hats and either 1 book or 1 ball ? <eos> THEM: ok three hats and one ball for you then <eos> YOU: deal , thank you . <eos> THEM: ok <eos> YOU: <selection>
output: item0=0 item1=3 item2=1 item0=3 item1=0 item2=0