Answer:
What is black when it is clean and white when it is dirty?
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright
Words come out of it, aligned in perfect silence. A messenger of black on white, a slinky fellow drawing lines, of thin and soft graphite
A man was driving his truck his lights were not on the moon was not out up ahead a woman was crossing the street how did he see her
What has a foot but no legs?
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.