I'm totally lost on this one. Is there a relationship between an operating concern and a controlling area, or are they completely separate things? I need to review my notes again.
I'm leaning towards option C, one-to-many, because I remember from my studies that a controlling area can have multiple operating concerns under its control.
Hmm, I'm pretty sure it's a many-to-one relationship, since an operating concern can belong to multiple controlling areas, but a controlling area can only have one operating concern. Let me double-check that though.
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