You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
In this task, you are given a context sentence containing a blank (_). You are expected to fill the blank with one word to make the sentence convey a cultural stereotype. A stereotype is an over-generalized belief about a particular group of people. Your answer must not contain more than one word.

Context: Every commander tends to be _.
Solution: controlling
Why? Commanders are controlling is an existing and valid stereotype.

New input: Context: Almost every schoolboy is typically _.
Solution:
immature