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: Soviet deep operations doctrine | Statement: [13th Army, usedDoctrine, Soviet deep operations doctrine]

Target entity: Soviet deep operations doctrine
Context triple: [13th Army, usedDoctrine, Soviet deep operations doctrine]

• A. Soviet deep operations doctrine chosen
  Soviet deep operations doctrine was a World War II–era Red Army operational concept that emphasized large-scale, coordinated offensives designed to penetrate enemy defenses in depth and rapidly exploit breakthroughs with mobile forces.
• B. Soviet military doctrine
  Soviet military doctrine is a Cold War–era strategic and operational framework developed by the USSR, emphasizing large-scale conventional warfare, centralized command, and combined-arms operations shaped by Marxist-Leninist military theory.
• C. Strategic depth doctrine
  The Strategic Depth doctrine is a Turkish foreign policy concept that envisions Turkey as a central regional power leveraging its historical, cultural, and geographic ties to exert influence across neighboring regions.
• D. Elements of Military Art and Science
  Elements of Military Art and Science is a 19th-century military treatise by Henry W. Halleck that systematically analyzes the principles, strategy, and practice of warfare.
• E. Operation Clausewitz
  Operation Clausewitz was a component phase of the German 1942 summer offensive on the Eastern Front, focused on advancing toward and securing key objectives as part of the broader Case Blue campaign.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.