To represent an entertainment collection, a modeler creates a Model Group with Models for books, songs, movies. etc. Opt

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To represent an entertainment collection, a modeler creates a Model Group with Models for books, songs, movies. etc. Option Classes in each Model represent different genres and the Option Items are the individual works of art (specific songs, movies, books, etc.). Given that the term "'artists" is applicable to songs and movies but not to books, where should a property denoting "artists" be defined and attached?

A. Property is defined at the Model Group and attached at the Models.
B. Property is defined at the Models and attached at the Option Class.
C. Property is defined at the Model Group and attached at the Option Items.
D. Property is defined at the Option Class and attached at the Option Items.