Donna: H/A/F? Yes.
Is Donna breaking the law? No. Is she doing something unsavory? No.
"worked perfectly" = brought out a successful result? Functioned as intended? Both. Benefited Donna? Slightly. Benefited someone else? No.
Un-creative: plagiarism? No. doing the obvious? Yes. NOT thinking laterally? No, I would say it was a lateral solution.
Was she entering a contest? Playing a game? Did she create artwork? Literature? A joke or slogan? No to all.