Which of the Following Is an Example of a Normative

Which of the following is an example of a normative economic statement?

A) Incomes increase when national production increases.
B) Women should earn the same income as men.
C) When the price of a good rises,people will buy more of it.
D) The more time you spend studying,the higher your economics test scores will be.
E) The more time you spend studying for chemistry,the higher your economics test score will be.