A class professor was giving a lecture on company slogans and was asking his students if they were familiar with them.
"Joe," he asked: "Which company has the slogan, "come fly the friendly skies?"
Joe answered the correct: Airline.
"Brenda, can you tell me which company has the slogan," "Don't leave home without it?"
Brenda answered the correct: Credit card company with no difficulty.
"Now Johnny, Tell me which company bears the slogan," "Just do it?"
And Johnny answered: "Mom."
"Joe," he asked: "Which company has the slogan, "come fly the friendly skies?"
Joe answered the correct: Airline.
"Brenda, can you tell me which company has the slogan," "Don't leave home without it?"
Brenda answered the correct: Credit card company with no difficulty.
"Now Johnny, Tell me which company bears the slogan," "Just do it?"
And Johnny answered: "Mom."