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: 13th Army (Red Army) | Statement: [Perekop–Chongar operation, involvedUnit, 13th Army (Red Army)]

Target entity: 13th Army (Red Army)
Context triple: [Perekop–Chongar operation, involvedUnit, 13th Army (Red Army)]

• A. 13th Army (Red Army) chosen
  The 13th Army was a major field army of the Soviet Red Army that fought on the Eastern Front in World War II, participating in key operations from the defense of the Soviet Union to the final offensives into Central Europe.
• B. Soviet 13th Army
  The Soviet 13th Army was a Red Army field formation that fought on the Eastern Front in World War II, notably participating in major defensive and offensive operations against German forces.
• C. Soviet 12th Army
  The Soviet 12th Army was a Red Army field formation that fought on the Eastern Front in the early stages of World War II, notably during the 1941 campaigns against the German invasion.
• D. 37th Army (Red Army)
  The 37th Army was a field army of the Soviet Red Army that fought on the Eastern Front during World War II, participating in major defensive and offensive operations against Nazi Germany.
• E. Soviet 3rd Shock Army
  The Soviet 3rd Shock Army was a major Red Army formation that played a key role on the Eastern Front in World War II, including the Battle of Berlin, and later served as part of the Soviet occupation forces in Germany.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.