W: Would you mind taking your feet off the desk, Bill? M: Sorry, but I was very comfortable. W: But do you put your feet on your own desk? M: No, never. I don't want to mark my desk. W: Well, would you please keep my desk clean? M: Aren't you going to sell it? W: Yes, but who wants a badly marked one?, Question: What might be the relationship between the two? (A) They are boss and employee. (B) They are colleagues. (C) They are brother and sister.
(B) They are colleagues.