Stereotyping is another harsh action, where a person is pre-judged wrongfully because of a characteristic such as their skin color or national origin, or even what they wear. Which is the best summary based on key words for the sentence?

Stereotyping is harsh prejudgment of personal characteristics.
Stereotyping prejudges people by characteristics.
Stereotyping is skin color, national origin, or what someone wears.
Color, origin, or clothing leads to stereotyping.