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: North American graded stakes | Statement: [New Orleans Classic Stakes, raceGradeSystem, North American graded stakes]

Target entity: North American graded stakes
Context triple: [New Orleans Classic Stakes, raceGradeSystem, North American graded stakes]

• A. National Stakes
  National Stakes is a prestigious Group 1 flat horse race, particularly notable in Ireland, that attracts top-class two-year-old thoroughbreds.
• B. North American harness racing
  North American harness racing is a form of horse racing in which Standardbred horses pull a two-wheeled cart (sulky) at a specific gait, featuring major events and series such as the Trotting Triple Crown.
• C. Diomed Stakes
  The Diomed Stakes is a Group 3 flat horse race in Great Britain, run over a mile and 113 yards at Epsom Downs and typically contested by older thoroughbreds.
• D. Sword Dancer Stakes
  The Sword Dancer Stakes is a prestigious Grade I American thoroughbred horse race run on turf at Saratoga Race Course, typically attracting top long-distance turf specialists.
• E. American Horse of the Year
  American Horse of the Year is the premier annual honor in U.S. Thoroughbred racing, awarded to the most outstanding racehorse of a given season.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: North American graded stakes
Target entity description: North American graded stakes are a classification system that ranks the quality and prestige of Thoroughbred horse races in the United States and Canada, typically designating them as Grade I, II, or III.

• A. National Stakes
  National Stakes is a prestigious Group 1 flat horse race, particularly notable in Ireland, that attracts top-class two-year-old thoroughbreds.
• B. North American harness racing
  North American harness racing is a form of horse racing in which Standardbred horses pull a two-wheeled cart (sulky) at a specific gait, featuring major events and series such as the Trotting Triple Crown.
• C. Diomed Stakes
  The Diomed Stakes is a Group 3 flat horse race in Great Britain, run over a mile and 113 yards at Epsom Downs and typically contested by older thoroughbreds.
• D. Sword Dancer Stakes
  The Sword Dancer Stakes is a prestigious Grade I American thoroughbred horse race run on turf at Saratoga Race Course, typically attracting top long-distance turf specialists.
• E. American Horse of the Year
  American Horse of the Year is the premier annual honor in U.S. Thoroughbred racing, awarded to the most outstanding racehorse of a given season.
• F. None of above. chosen

Target predicate: raceGradeSystem
Context triple: [New Orleans Classic Stakes, raceGradeSystem, North American graded stakes]

• A. rankGrade
  Indicates the grade or level assigned to an entity within a ranking or evaluation system.
• B. gradeRank
  Indicates the relative academic standing or position of an entity within a graded or ranked group based on performance or scores.
• C. gradingSystem
  Indicates the method or criteria by which performance, quality, or achievement is evaluated and assigned a grade or score.
• D. ratingSystem
  Indicates a system or method used to assign evaluative scores or rankings to items, actions, or entities based on defined criteria.
• E. gradeHierarchy
  Indicates a hierarchical relationship between grades or levels, where one grade is ranked above or below another in an ordered structure.
• F. None of above. chosen