A man sitting in a middle seat turns to the man on the aisle and says "I'll bet you are a BYU graduate."
The BYU grad says "That's right! How did you know? "
The man mentioned his demeanor and dignity as well as his appearance and class.
The man in the window seat was listening and asked "Do you know what school I attended?" To which the man in the middle replied "I'd bet you are a U of U grad."
The U of U grad enthusiastically replied "that's right! How did you know?"
"I saw your class ring when you were picking your nose"