The keyword term "film like Patriots Day" functions as a noun phrase. The head of this phrase, and therefore its primary part of speech, is the noun "film."
In this construction, "film" is the core subject. The subsequent words, "like Patriots Day," form a prepositional phrase that acts as an adjectival modifier. "Like" is a preposition indicating similarity, and "Patriots Day" is a proper noun serving as the object of the preposition. This adjectival phrase describes or specifies the type of film, narrowing its meaning to a category of movies that share characteristics with the specific example given.
For the purpose of an article, identifying the main point as a noun is crucial. It establishes that the subject is a tangible category (films) rather than an action (verb) or a quality (adjective). The article's focus would be on analyzing, listing, or discussing various films, using the qualities of "Patriots Day" (such as being a docudrama, a historical thriller, or a story of real-life heroism) as the defining criteria for inclusion.
