Read the scenario.

The editor-in-chief of a magazine emails this list to her entire staff:

Seek the truth without bias.
Always fact-check your information.
Never compromise your principles.
Which statement about this list is most likely true?

a
This list is a set of laws, because the guidelines were shared in written form.
b
This list is a set of laws, because it includes mandatory rules for the staff.
c
This list is a code of ethics, because it is a set of guidelines based on ideals.
d
This list is a code of ethics, because everyone on the staff agreed to follow it.