(Bored, almost coming off as contrived) "It is simple. Everything from the scruff on your boots to the slight tearing of your coat."

(Careful, deep in thought) "No... That can't be true... If he has possibly done this... Then how come we have evidence that he was in Poland?"

(Use a tone and dialect you believe works here. I want to see how you think)

“Quite so. I have a kind of intuition that way. Now and again a case turns up which is a little more complex. Then I have to bustle about and see things with my own eyes. You see I have a lot of special knowledge which I apply to the
problem, and which facilitates matters wonderfully. Those rules of deduction laid down in that article which aroused your scorn, are invaluable to me
in practical work. Observation with me is second nature. You appeared to be surprised when I told you, on our first meeting, that you had come from
Afghanistan.”