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: ZSU-23-4 Shilka | Statement: [Air Forces/Air Defense of the NVA, usedWeaponSystem, ZSU-23-4 Shilka]

Target entity: ZSU-23-4 Shilka
Context triple: [Air Forces/Air Defense of the NVA, usedWeaponSystem, ZSU-23-4 Shilka]

• A. Gepard self-propelled anti-aircraft gun
  The Gepard self-propelled anti-aircraft gun is a German-made, radar-guided, armored air-defense vehicle equipped with twin 35 mm cannons designed to protect ground forces from low-flying aircraft and helicopters.
• B. S-25 Berkut
  The S-25 Berkut was an early Soviet fixed surface-to-air missile system developed in the 1950s to provide high-altitude air defense for Moscow during the Cold War.
• C. SA-7 Grail man-portable air-defense system
  The SA-7 Grail is a Soviet-designed, shoulder-fired surface-to-air missile system intended to provide infantry units with portable defense against low-flying aircraft and helicopters.
• D. GSh-30-2 30 mm cannon
  The GSh-30-2 is a Soviet/Russian twin-barrel 30 mm autocannon widely used on ground-attack aircraft for high-rate, close air support firepower.
• E. SU-85 self-propelled gun
  The SU-85 self-propelled gun was a Soviet World War II tank destroyer armed with an 85 mm gun and built on the chassis of the T-34 medium tank.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: ZSU-23-4 Shilka
Triple: [Air Forces/Air Defense of the NVA, usedWeaponSystem, ZSU-23-4 Shilka]

The ZSU-23-4 Shilka is a Soviet self-propelled, radar-guided anti-aircraft gun system armed with four 23 mm autocannons, widely used for low-altitude air defense.

Target entity: ZSU-23-4 Shilka
Target entity description: The ZSU-23-4 Shilka is a Soviet self-propelled, radar-guided anti-aircraft gun system armed with four 23 mm autocannons, widely used for low-altitude air defense.

• A. Gepard self-propelled anti-aircraft gun
  The Gepard self-propelled anti-aircraft gun is a German-made, radar-guided, armored air-defense vehicle equipped with twin 35 mm cannons designed to protect ground forces from low-flying aircraft and helicopters.
• B. S-25 Berkut
  The S-25 Berkut was an early Soviet fixed surface-to-air missile system developed in the 1950s to provide high-altitude air defense for Moscow during the Cold War.
• C. SA-7 Grail man-portable air-defense system
  The SA-7 Grail is a Soviet-designed, shoulder-fired surface-to-air missile system intended to provide infantry units with portable defense against low-flying aircraft and helicopters.
• D. GSh-30-2 30 mm cannon
  The GSh-30-2 is a Soviet/Russian twin-barrel 30 mm autocannon widely used on ground-attack aircraft for high-rate, close air support firepower.
• E. SU-85 self-propelled gun
  The SU-85 self-propelled gun was a Soviet World War II tank destroyer armed with an 85 mm gun and built on the chassis of the T-34 medium tank.
• F. None of above. chosen