The manager went to Murphy and said, "Thank you for coming to the interview, but we’ve decided to give the American the job."
Murphy said, "And why would you be doing that? We both got 9 questions correct. This being Ireland and me being Irish surely I should get the job."
Manager said, " We have made our decision not on the correct answers, but on the question you missed."
Murphy said, "And just how would one incorrect answer be better than the other?"
Manager, "Simple. On question number 7 the American wrote down, 'I don’t know.' " You put down, "Neither do I."