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: Battle of the Kalka River | Statement: [Cumans, defeatedAt, Battle of the Kalka River]

Target entity: Battle of the Kalka River
Context triple: [Cumans, defeatedAt, Battle of the Kalka River]

• A. Battle of the Kalka River chosen
  The Battle of the Kalka River was a 1223 clash in which Mongol forces decisively defeated a coalition of Kievan Rus' princes and their Cuman allies, marking an early and ominous demonstration of Mongol military power in Eastern Europe.
• B. Battle of Maloyaroslavets
  The Battle of Maloyaroslavets was a key engagement during Napoleon’s 1812 Russian campaign that forced the French army to retreat along the devastated route of its advance, contributing significantly to its eventual destruction.
• C. Battle of Velbazhd
  The Battle of Velbazhd was a decisive 1330 medieval clash between the Bulgarian and Serbian states that cemented Serbia’s regional dominance in the Balkans.
• D. Battle of Kulikovo
  The Battle of Kulikovo was a pivotal 1380 clash in which the forces of the Grand Duchy of Moscow under Dmitry Donskoy defeated the Mongol-Tatar army, marking a major step toward the decline of the Golden Horde’s dominance over the Russian principalities.
• E. Battle of the Chernaya
  The Battle of the Chernaya was a major 1855 engagement of the Crimean War in which Russian forces were repulsed by a combined French, Sardinian, and Ottoman army near the Chernaya River close to Sevastopol.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.