What do you use to ask questions about articles or slogans?

The key to asking questions is whether this person is the subject or the object in the original sentence.

If you ask a question about this subject, you use who.

If you are asking a question about the object, if the preposition is not advanced, you can use who and who. If the preposition is advanced, you must use who, who as an example

I'm going to play football with Mary

Draw a line for Mary and ask questions. The questions can be

Who are you going to play with?

Who are you going to play with?