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: Insei system | Statement: [Daijō Tennō, associatedWith, Insei system]

Target entity: Insei system
Context triple: [Daijō Tennō, associatedWith, Insei system]

• A. Fujiwara regency system
  The Fujiwara regency system was a political structure in Heian-period Japan in which the Fujiwara clan dominated the imperial court by serving as regents and marrying their daughters into the imperial family, effectively controlling the throne.
• B. Gokishichidō system
  The Gokishichidō system was an ancient Japanese administrative and road network framework that organized the country into five central provinces and seven regional circuits.
• C. ritsuryō system
  The ritsuryō system was an ancient Japanese legal and administrative framework, modeled on Chinese Confucian and legalist principles, that organized government structure, taxation, and social order in the early imperial state.
• D. Toyotomi administration of Japan
  The Toyotomi administration of Japan was the late 16th-century regime established by Toyotomi Hideyoshi that unified most of the country under centralized military and political control prior to the Tokugawa shogunate.
• E. Tokugawa shogunate
  The Tokugawa shogunate was the feudal military government that ruled Japan from the early 17th to the mid-19th century, overseeing a long period of peace, isolation, and strict social order.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Insei system
Triple: [Daijō Tennō, associatedWith, Insei system]

The Insei system was a form of Japanese government in which retired emperors continued to wield significant political power from behind the scenes, often overshadowing the reigning monarch.

Target entity: Insei system
Target entity description: The Insei system was a form of Japanese government in which retired emperors continued to wield significant political power from behind the scenes, often overshadowing the reigning monarch.

• A. Fujiwara regency system
  The Fujiwara regency system was a political structure in Heian-period Japan in which the Fujiwara clan dominated the imperial court by serving as regents and marrying their daughters into the imperial family, effectively controlling the throne.
• B. Gokishichidō system
  The Gokishichidō system was an ancient Japanese administrative and road network framework that organized the country into five central provinces and seven regional circuits.
• C. ritsuryō system
  The ritsuryō system was an ancient Japanese legal and administrative framework, modeled on Chinese Confucian and legalist principles, that organized government structure, taxation, and social order in the early imperial state.
• D. Toyotomi administration of Japan
  The Toyotomi administration of Japan was the late 16th-century regime established by Toyotomi Hideyoshi that unified most of the country under centralized military and political control prior to the Tokugawa shogunate.
• E. Tokugawa shogunate
  The Tokugawa shogunate was the feudal military government that ruled Japan from the early 17th to the mid-19th century, overseeing a long period of peace, isolation, and strict social order.
• F. None of above. chosen