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: [Proto-Indo-European, proposedHomeland, Pontic–Caspian steppe]

Target entity: Pontic–Caspian steppe
Context triple: [Proto-Indo-European, proposedHomeland, 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. 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.
• D. 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.
• E. Ural region
  The Ural region is a historical and geographical area of Russia centered around the Ural Mountains, traditionally seen as a boundary between Europe and Asia and known for its rich mineral resources and industrial centers.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: proposedHomeland
Context triple: [Proto-Indo-European, proposedHomeland, 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. countryOfProposedState
  Indicates the country within whose territory or jurisdiction a proposed state is intended to be established.
• C. proposedByCountry
  Indicates that a proposal, initiative, or measure was formally put forward or initiated by a specific country.
• D. foreignPolicyProgram
  Indicates a program or initiative that defines, guides, or implements a state's foreign policy toward other international actors.
• E. foreignPolicyArea
  Indicates the specific domain or topic within foreign policy to which an action, decision, or statement is related.
• F. None of above.