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.

Example Input: Passage: The policeman was diamond.
Example Output: Unrelated

Example Input: Passage: Most engineers are yams.
Example Output: Unrelated

Example Input: Passage: Iranians reside in the middle east. However, there is much more to learn about them in their rich and storied history.
Example Output:
Anti-stereotype