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: 21st Army | Statement: [Battle of Tali–Ihantala, notableUnitSoviet, 21st Army]

Target entity: 21st Army
Context triple: [Battle of Tali–Ihantala, notableUnitSoviet, 21st Army]

• A. 21st Army chosen
  The 21st Army was a Soviet Red Army field formation that played a significant role on the Eastern Front during World War II, particularly in major operations against Nazi Germany.
• B. 20th Army
  The 20th Army was a major field army of the Soviet Red Army that fought on the Eastern Front during World War II, notably in the defense of Moscow and subsequent operations against Nazi Germany.
• C. 41st Army
  The 41st Army was a field army of the Soviet Red Army that fought on the Eastern Front during World War II, notably in the defense and counteroffensives around Moscow and in subsequent operations against German forces.
• D. 52nd Army
  The 52nd Army was a field army of the Soviet Red Army that fought on the Eastern Front during World War II, participating in major offensives under various Soviet fronts.
• E. 26th Army
  The 26th Army was a field army of the Soviet Red Army that fought on the Eastern Front during World War II, including operations in the northern Karelian region.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: notableUnitSoviet
Context triple: [Battle of Tali–Ihantala, notableUnitSoviet, 21st Army]

• A. involvedUnitSoviet chosen
  Indicates that a Soviet military or organizational unit was involved in a particular event, operation, or action.
• B. hasSovietLeaderParticipant
  Indicates that a Soviet leader is a participant in the referenced event, action, or relationship.
• C. roleInSovietUnion
  Indicates that an entity held a specific position, function, or status within the governmental, political, or institutional structure of the Soviet Union.
• D. commanderForSovietSide
  Indicates that an entity serves as a military commander representing or leading forces on the Soviet side in a conflict or operation.
• E. notableUnitType
  Indicates that an entity is notably associated with, characterized by, or best known for a particular type of unit (such as an organizational, measurement, or structural unit).
• F. None of above.