Grammatically, the phrase "Patriots' Day federal holiday" functions as a noun phrase. The core component is the proper noun "Patriots' Day," which is described or classified by the compound noun "federal holiday." The central point derived from this construction is an inquiry into the official status of the observance. However, the premise implied by the phrase is factually incorrect; Patriots' Day is not a federal holiday in the United States. A federal holiday is one legally designated by the U.S. Congress, during which non-essential federal government offices are closed and federal employees are paid for the day off. Patriots' Day, conversely, is a state-level public holiday with official observance limited primarily to Massachusetts and Maine. It commemorates the anniversary of the Battles of Lexington and Concord on April 19, 1775, the first armed conflicts of the American Revolutionary War. Its recognition is therefore regional, tied directly to the historical location of these events, rather than national in scope. ...

As a keyword phrase, "inggris indonesia" functions as a compound noun or a noun phrase. It acts as a single conceptual unit that names a specific topic or subject area. The term does not describe an action (verb) or modify another word (adjective/adverb) but rather designates the relationship, comparison, or interaction between the two entities it names. The phrase is composed of two distinct proper nouns from the Indonesian language: "Inggris," meaning "English" (referring to the language, the people, or the country, i.e., England/UK), and "Indonesia," referring to the nation of Indonesia. When combined as a keyword, this phrase most frequently signifies the act of translation between the two languages. It can also refer to the academic field of comparative linguistics, cultural exchange, diplomatic relations, or educational resources concerning both languages or nations. ...

In the keyword phrase "film Patriots Day," the main point and operative part of speech is a proper noun. The entire phrase functions as a noun phrase, where "Patriots Day" is the specific name of the subject, and "film" acts as a modifier. Grammatically, "Patriots Day" is the head noun, which identifies the core subjecta specific creative work. The word "film" is an attributive noun (a noun used as an adjective) that specifies the medium. Its function is to distinguish the subject from other things that share the same name, such as the actual holiday of Patriots' Day or the historical events it depicts. This structure clarifies that the article's focus is on the cinematic production itself. ...

The keyword term "Patriots Day actors" functions as a noun phrase. In this construction, "actors" is the head noun, a common noun referring to individuals who perform in a film. "Patriots Day" serves as a proper noun functioning adjectivally, specifying which particular group of actors is being referencednamely, those who appeared in the film titled "Patriots Day." While "Patriots Day" itself is a proper noun, its role here is to modify and narrow the scope of "actors," much like an adjective would. Therefore, the phrase collectively denotes a specific set of individuals. ...

The keyword term "vivo y19s" functions grammatically as a proper noun. It is the specific and unique name designated for a particular model of a consumer electronic device, specifically a smartphone. In linguistic analysis, a proper noun identifies a single entity to distinguish it from other entities within the same class. In this case, "smartphone" is the common noun representing the general category, while "vivo y19s" is the proper noun that specifies one unique member of that category. The term is a compound noun, combining the brand name "Vivo" with the model identifier "Y19s." Within a sentence, it acts as a single lexical unit, capable of serving as the subject, direct object, or object of a preposition, just as any other noun would. ...

The term functions grammatically as a noun phrase. More specifically, it is a compound noun where "quiz" is the head noun, and "patriots day" acts as a multi-word noun adjunct, or attributive noun, that modifies it. The analysis of this structure begins by identifying the core element, or head, which is "quiz." This word establishes the primary object being discussed. The preceding words, "patriots day," specify the type or subject of that object. In this construction, both "patriots" and "day" are nouns, but they function adjectivally to describe the final noun. This hierarchical modification is common in English; "day" is modified by "patriots" to form a conceptual unit, which then collectively modifies "quiz." ...

The term "timnas indonesia" functions grammatically as a proper noun. It is a two-word phrase from the Indonesian language that designates a specific entity: any national sports team representing the country of Indonesia. The first word, "timnas," is a portmanteau derived from "tim" (team) and "nasional" (national). The second word, "Indonesia," is a proper noun that specifies the country. In a syntactic analysis, "timnas" serves as the head noun, which is modified by "Indonesia" acting as a noun adjunct. The adjectival function of "Indonesia" specifies the identity of the national team. While its component parts have individual classifications, the combined phrase operates as a singular, indivisible proper noun in discourse. This grammatical construction is common for naming specific organizations where a noun is used to qualify another noun, similar to constructions like "Team USA" or "Real Madrid" in other languages. ...