Which of the following is not an example of a stereotype?
a. asian people are smart.
b. teenagers are melodramatic.
c. all women in the middle east wear a hijab.
d. some politicians are corrupt

What isn't a stereotype would be that some politicians are corrupt - d. The reason for this is that some politicians are infact corrupt. If it would have been written that all politicians are corrupt, then it would have been a stereotype. 

There’s no map so we can’t you