Teacher: What is the shape of the Earth?
Student: I Don't Know.
Teacher: Well!
What Kind Of Earrings Does Your Girlfriend Wear?
Student: Square Ones.
Teacher: No, I Mean The Ones She Wears On Tuesday... ..
Student: Round
Teacher: Then, What is the the shape of the Earth?
Student: Square On Wednesdays
And Round On Tuesdays :P