Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Ryukyu cultural sphere | Statement: [Amami Ōshima, historicalRegion, Ryukyu cultural sphere]

Target entity: Ryukyu cultural sphere
Context triple: [Amami Ōshima, historicalRegion, Ryukyu cultural sphere]

• A. Yapese–Outer Islands cultural sphere
  The Yapese–Outer Islands cultural sphere is a Micronesian cultural region centered on Yap and its surrounding outer islands, characterized by shared Austronesian languages, seafaring traditions, and closely related social and ritual practices.
• B. Ryukyuan culture chosen
  Ryukyuan culture is the indigenous cultural tradition of the Ryukyu Islands in Japan, characterized by its distinct language family, religious practices, music, dance, and maritime heritage.
• C. Chimariko cultural area
  The Chimariko cultural area refers to the traditional homeland and cultural sphere of the Chimariko people of northwestern California, encompassing their historical lifeways, social organization, and regional interactions.
• D. Southern Ryukyuan languages
  The Southern Ryukyuan languages are a subgroup of the Ryukyuan language family spoken primarily in the southern Ryukyu Islands of Japan, including Okinawa and the Sakishima Islands, and are considered distinct from standard Japanese.
• E. Austronesian cultural sphere
  The Austronesian cultural sphere is a broad maritime-based cultural and linguistic region spanning Island Southeast Asia and the Pacific, characterized by related Austronesian languages, seafaring traditions, and shared ancestral cultural practices.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.