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: Russian IX Corps | Statement: [Battle of Champaubert, opponentForce, Russian IX Corps]

Target entity: Russian IX Corps
Context triple: [Battle of Champaubert, opponentForce, Russian IX Corps]

• A. Soviet 18th Army
  The Soviet 18th Army was a Red Army field formation that fought on the Eastern Front during World War II, notably participating in early defensive and later offensive operations against German forces.
• B. Soviet 19th Army
  The Soviet 19th Army was a Red Army field formation that fought in the early stages of the Eastern Front in World War II and was largely destroyed during the German encirclement near Vyazma in 1941.
• C. Soviet 9th Army
  The Soviet 9th Army was a Red Army field formation that fought on the Eastern Front in World War II, notably participating in early defensive and later offensive operations against German and Axis forces.
• D. 10th Army
  The 10th Army was a major German Wehrmacht field army that played a key role in early World War II campaigns, including the invasion of Poland.
• E. 10th Army
  The 10th Army was a Soviet Red Army field formation that played a major role on the Eastern Front during the early stages of World War II.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Russian IX Corps
Target entity description: The Russian IX Corps was a field corps of the Imperial Russian Army that fought in the Napoleonic Wars, notably participating in the 1814 campaign in France.

• A. Soviet 18th Army
  The Soviet 18th Army was a Red Army field formation that fought on the Eastern Front during World War II, notably participating in early defensive and later offensive operations against German forces.
• B. Soviet 19th Army
  The Soviet 19th Army was a Red Army field formation that fought in the early stages of the Eastern Front in World War II and was largely destroyed during the German encirclement near Vyazma in 1941.
• C. Soviet 9th Army
  The Soviet 9th Army was a Red Army field formation that fought on the Eastern Front in World War II, notably participating in early defensive and later offensive operations against German and Axis forces.
• D. 10th Army
  The 10th Army was a major German Wehrmacht field army that played a key role in early World War II campaigns, including the invasion of Poland.
• E. 10th Army
  The 10th Army was a Soviet Red Army field formation that played a major role on the Eastern Front during the early stages of World War II.
• F. None of above. chosen