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Doctor: How long have you had the 1_______?
Mr Hamilton: Oh, for years.
Doctor: Do you smoke?
Mr Hamilton: I used to smoke heavily, but I gave up a year ago.
Doctor: Do you cough any 2_______?
Mr Hamilton: Yes.
Doctor: What colour is it?
Mr Hamilton: Usually yellow.
Doctor: Have you ever noticed any 3_______ in it?
Mr Hamilton: No.
Doctor: Any problems with your breathing?
Mr Hamilton: Yes, I get very short of breath. I have 4_______ halfway up the stairs to get my breath back.