The keyword term functions as a complex noun phrase. The central element, or head noun, is "film," which establishes the primary subject of the user's query. All other words in the phrase serve to modify this central noun, providing specificity and context.
The term "Patriots Day" is a proper noun that acts as an adjectival modifier, specifying the exact title of the film. The word "free" is an adjective that post-modifies the noun unit "Patriots Day film." In this postpositive position, it qualifies the entire preceding noun group, indicating a condition of accessspecifically, availability at no cost.
Grammatically identifying "film" as the head noun and "free" as the key qualifier is crucial. It dictates that the main point of any article using this keyword must be the method or status of accessing the specific film without payment. The article's focus is not the film's plot or the historical event, but its availability under the condition of being free.
