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: I-Box steel track system | Statement: [Alan Schilke, designed, I-Box steel track system]

Target entity: I-Box steel track system
Context triple: [Alan Schilke, designed, I-Box steel track system]

• A. I-Box steel track chosen
  I-Box steel track is Rocky Mountain Construction’s proprietary steel roller coaster track system designed to replace traditional wooden track while enabling smoother, faster, and more complex ride experiences.
• B. Kégresse track system
  The Kégresse track system is a flexible, rubber-based continuous track mechanism developed in the early 20th century to enable wheeled vehicles to traverse difficult terrain like snow, sand, and mud.
• C. Fell centre rail system
  The Fell centre rail system is a historic railway technology that uses an additional central rail and special gripping wheels to provide extra traction and braking on steep gradients.
• D. Minitrack system
  The Minitrack system was an early ground-based satellite tracking network developed in the 1950s to detect and follow the radio signals of Earth-orbiting spacecraft.
• E. Locher rack system
  The Locher rack system is a specialized rack railway design that uses horizontal, side-mounted cogwheels engaging with a centrally located rack bar to enable safe operation on extremely steep gradients.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.