The teacher had just finished reading a story to the Fifth-grade class. She decided to check the student's knowledge of some of the vocabulary that had been used."Who knows what the word 'adolescent' means?" she asked.Out of the entire class of 30, not one child raised a hand.After a few more silent moments, she decided to give them a hint:"Adolescent - it's something all of you are, and I am not."Finally Little Johnny tentatively raised his hand, and in a very soft voice said, "Virgins?"