The main point of the keyword term is "Patriots Day," which is a proper noun. As the title of a specific film, it functions as the grammatical subject of the inquiry. Identifying this part of speech establishes that the article's focus is on a singular, named entity that will be evaluated.
The full phrase operates as an interrogative clause. In this structure, "is" functions as a verb, "Patriots Day" is the subject (proper noun), and "good movie" is the predicate. The word "good" is a predicate adjective modifying the subject, and "movie" is a predicate nominative that renames or classifies the subject. The analysis must center on the proper noun because it is the specific item being subjected to the qualitative assessment posed by the adjective "good."
This grammatical determination is crucial because it dictates the article's purpose: to provide a critical evaluation of the proper noun "Patriots Day." The content must therefore supply evidence and analysis (such as plot summary, character development, directorial style, and historical accuracy) to argue whether the adjective "good" can be justifiably applied to the subject. The article is not about movies in general or the concept of patriotism, but a review focused specifically on the entity named by the proper noun.