A boss has to interview 4 girls for a secretary position.He asked the same question to each one of them.
Boss: "A woman normally has lips in 2 different places. What's the difference between the two?
First Girl: "one is hairy, the other isn't " . Boss: "OK.. good!"
Second Girl: "one can talk but the other can't ". Boss: "that's better!"
Third Girl: "one is vertical & the other is horizontal ". Boss: "Hmm.. clever!"
Last Girl: "one is for me & the other is for my Boss ".
Boss: "you are hired !!!