In this task, you are given a short passage that may convey stereotype, anti-stereotype, or is unrelated. A stereotype is an over-generalized belief about a particular group of people. An anti-stereotype is an idea that goes against a common stereotype. The passage is unrelated if it does not convey a stereotype or anti-stereotype. You are expected to classify the passage into three classes: stereotype, anti-stereotype, and unrelated.

Q: Passage: She decided to give herself a present. After all, she is so selfish.

A: Stereotype
****
Q: Passage: He used to be a commander. I will mow my lawn tomorrow.

A: Unrelated
****
Q: Passage: The mathematician is good with numbers

A:
Stereotype
****