`` i do n't know the answer to that one , except to say that if that 's what the opposition are doing , then there must be an answer . '' `` if you do n't get him , i will . '' can we talk in your office ? next they assembled a machine that looked like a treadmill with long , sturdy rails that extended along both sides . `` are you practicing for railroad detectives ? '' `` why did n't you just ask me straight out if i wanted a job ? 