Which of the following statements would be considered an opinion as opposed to a statement of fact?

A
“Alexander Hamilton, James Madison, and John Jay published a series of essays promoting the ratification of the United States Constitution.”
B
“If any law passed by Congress conflicts with the Constitution, the Constitution ought to be preferred to the statute, the intention of the people to the intention of their agents."
C
“Courts have the responsibility to interpret the Constitution's meaning, as well as the meaning of any laws passed by Congress.”
D
“The U.S. Constitution is the nation's fundamental law.”