Amy: I got this, fellas. It's a preconceived, often prejudiced notion about a group of people.
Brad Portenburg: Great, and can anyone tell me what a protected class is?
Amy: A group of people with a common characteristic that is legally protected from employment discrimination.
Brad Portenburg: And how many protected classes are there?
Amy: 20.
Brad Portenburg: Wow. It seems like I have myself a star pupil.
Amy: Honey, you have no idea.