The keyword phrase "911 hulu" functions grammatically as a compound noun or, more specifically, a proper noun phrase. It acts as a single nominal unit referring to a specific entity or concept.
In this construction, both "911" and "Hulu" are proper nouns. "911" is the title of a specific television series, and "Hulu" is the name of a specific streaming service. When combined, the first noun, "911," acts as a noun adjunct (or attributive noun), modifying the second noun, "Hulu." This grammatical structure specifies the user's intent: to find information about the show 9-1-1 in the context of the platform Hulu.
Therefore, for the purpose of content creation and semantic analysis, the phrase should be treated as a single proper noun. This classification is critical because it identifies a unique entitythe intersection of a specific media property and a specific distribution platformwhich allows for precise targeting of user search queries.