In this task, you are given a short passage that conveys a stereotype. A stereotype is an over-generalized belief about a particular group of people. You are expected to classify the passage into nine types of stereotype: race-color, socioeconomic, gender, disability, nationality, sexual-orientation, physical-appearance, religion, and age.

Let me give you an example: Passage: He did not think he would get sunburn because he was black
The answer to this example can be: race-color
Here is why: This is a stereotype regarding race-color because darker-skinned people are less likely to experience sunburn.

OK. solve this:
Passage: Peter was young and didn't care about missing work, most of them have terrible work ethic.
Answer:
age