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: Pontic–Caspian steppe | Statement: [Kurgan hypothesis, locatesHomelandIn, Pontic–Caspian steppe]

Target entity: Pontic–Caspian steppe
Context triple: [Kurgan hypothesis, locatesHomelandIn, Pontic–Caspian steppe]

• A. Pontic–Caspian steppe chosen
  The Pontic–Caspian steppe is a vast grassland region stretching from Eastern Europe into Central Asia, historically significant as a crossroads for nomadic cultures and early Indo-European migrations.
• B. Eurasian Steppe
  The Eurasian Steppe is a vast belt of temperate grasslands stretching from Eastern Europe across Central Asia to Mongolia and northern China, historically serving as a major corridor for nomadic cultures, trade, and migration.
• C. Daurian Steppe
  The Daurian Steppe is a vast grassland and shrub-steppe region spanning parts of Mongolia, northeastern China, and southeastern Russia, known for its rich biodiversity and migratory wildlife.
• D. The Steppe
  "The Steppe" is a novella by Anton Chekhov that vividly portrays a young boy’s journey across the vast Russian plains, emphasizing atmosphere, landscape, and psychological insight over plot.
• E. Russian Plain
  The Russian Plain is a vast lowland region in Eastern Europe that forms the core of European Russia and features extensive flat terrain, rivers, and fertile soils.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: locatesHomelandIn
Context triple: [Kurgan hypothesis, locatesHomelandIn, Pontic–Caspian steppe]

• A. hasHomeland chosen
  Indicates that an entity considers or recognizes a particular place or region as its homeland or place of origin.
• B. viewOfHomeland
  Indicates a perspective, opinion, or emotional attitude that an entity holds toward its homeland.
• C. locatedOnTerritoryOf
  Indicates that one entity is situated within or on the land area governed or owned by another entity.
• D. isHomeOf
  Indicates that a place serves as the primary residence or base for a person, group, or organization.
• E. sovereigntyLocation
  Indicates the place or territory over which an entity holds sovereign authority or jurisdiction.
• F. None of above.