A teacher is writing on board

A teacher is writing on board and suddenly students laughs

Teacher: “Why did you laugh?”

Boy 1: “I saw a strap of your corset.”

Teacher: “You are punished to stay out of school for one week.”

Boy 2 laughed… Teacher: “Why did you laugh?”

Boy 2: “I saw your corset straps.”

Teacher: “You are punished to stay out of school for one month.”

Then teacher bent down to pickup a chalk.

Boy 3 started walking out of the class…

Teacher: “Why are you leaving?”

Boy 3: “I think my school days are over.