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: South Korean national road system | Statement: [Sejong-daero, partOf, South Korean national road system]

Target entity: South Korean national road system
Context triple: [Sejong-daero, partOf, South Korean national road system]

• A. South Korean national highway network chosen
  The South Korean national highway network is a nationwide system of major roads that connects cities and regions across South Korea, supporting long-distance travel, commerce, and regional development.
• B. Korea Expressway network
  The Korea Expressway network is a nationwide system of high-speed expressways in South Korea that connects major cities and regions to support efficient road transportation and economic activity.
• C. National Route 1 (South Korea)
  National Route 1 (South Korea) is a major arterial highway that runs north–south across the Korean Peninsula, historically linking Seoul with key cities and extending toward the border with North Korea.
• D. National Route 7 (South Korea)
  National Route 7 (South Korea) is a major national highway running along the country’s east coast, connecting Busan in the south to Goseong near the North Korean border and serving key coastal cities and districts such as Yeonje.
• E. National Route 21 (South Korea)
  National Route 21 (South Korea) is a major national highway that runs north–south through western South Korea, connecting cities such as Cheonan with other key regional centers.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.