Um  I think it 's  it 's  it 's  I mean  experimental setup u on the technical issue yes , except we st I think we still need uh  a recording device for the wizard , just a tape recorder that 's running in a room.
Mm - hmm.
But um  in terms of specifying the scenario ,  um  uh  uh  we 've gotten a little further
Mm - hmm.