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: Kazbek glacial system | Statement: [Mkinvartsveri Glacier, partOf, Kazbek glacial system]

Target entity: Kazbek glacial system
Context triple: [Mkinvartsveri Glacier, partOf, Kazbek glacial system]

• A. Belukha Glacier system
  The Belukha Glacier system is an extensive network of glaciers surrounding and descending from Belukha Mountain in the Altai range of Siberia, forming one of the region’s most significant ice complexes.
• B. Pamir-Alay glacier system
  The Pamir-Alay glacier system is an extensive high-mountain glacial complex in Central Asia’s Pamir-Alay range, encompassing major glaciers such as the Fedchenko Glacier and serving as a crucial regional freshwater reservoir.
• C. Mount Elbrus glaciers
  Mount Elbrus glaciers are extensive high-altitude ice fields and valley glaciers on and around Mount Elbrus in the Caucasus, serving as major sources of meltwater and indicators of regional climate change.
• D. Gergeti Glacier chosen
  Gergeti Glacier is a prominent mountain glacier on the slopes of Mount Kazbek in the Greater Caucasus, known for its dramatic alpine scenery and challenging climbing routes.
• E. Bistritsa Glacier
  Bistritsa Glacier is a glacier on Livingston Island in the South Shetland Islands of Antarctica, known for draining the island’s interior ice cap toward the surrounding coastal areas.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.