A Canadian couple was strolling through a park in London and sat down on a bench next to an elderly Briton. The Brit noticed their lapel pins sporting the Canadian flag and, to make conversation, said "Judging by your pins, you must be Canadians".

"Indeed we are", replied the Canadian gentleman.

"I hope you won't mind my asking," said the Brit, "but what do the two red bars on your flag represent?"