You are attempting to convince your class that they shouldn't drink and drive

You should not drink and drive because you can get so focused on not spilling your drink that you may lose focus on driving and someone can seriously get hurt. You can even go to jail or in heaven. You will realize that what you are doing is wrong at the same time you disappear from earth.

Explanation:

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.

what does the teacher mean