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: I-400-class submarine | Statement: [Imperial Japanese Navy submarine force, usedWeapon, I-400-class submarine]

Target entity: I-400-class submarine
Context triple: [Imperial Japanese Navy submarine force, usedWeapon, I-400-class submarine]

• A. Sōryū-class submarine
  The Sōryū-class submarine is a Japanese diesel-electric attack submarine class known for its advanced stealth, air-independent propulsion, and long-range operational capabilities.
• B. Oyashio-class submarine
  The Oyashio-class submarine is a modern Japanese diesel-electric attack submarine class known for its advanced sonar, quiet operation, and service with the Japan Maritime Self-Defense Force.
• C. Taigei-class submarine
  The Taigei-class submarine is a modern Japanese diesel-electric attack submarine class featuring advanced stealth, sonar, and lithium-ion battery technology for the Japan Maritime Self-Defense Force.
• D. Sendai-class cruiser
  The Sendai-class cruiser was a group of light cruisers built for the Imperial Japanese Navy in the early 20th century, designed primarily as destroyer flotilla leaders and for night combat operations.
• E. Typhoon-class submarine
  The Typhoon-class submarine is a Soviet-designed nuclear-powered ballistic missile submarine, famous as the largest submarine ever built and a key component of the USSR’s Cold War nuclear deterrent.
• 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: I-400-class submarine
Triple: [Imperial Japanese Navy submarine force, usedWeapon, I-400-class submarine]

The I-400-class submarine was a World War II-era Japanese "submarine aircraft carrier," among the largest submarines of its time, designed to launch surprise air attacks from the sea.

Target entity: I-400-class submarine
Target entity description: The I-400-class submarine was a World War II-era Japanese "submarine aircraft carrier," among the largest submarines of its time, designed to launch surprise air attacks from the sea.

• A. Sōryū-class submarine
  The Sōryū-class submarine is a Japanese diesel-electric attack submarine class known for its advanced stealth, air-independent propulsion, and long-range operational capabilities.
• B. Oyashio-class submarine
  The Oyashio-class submarine is a modern Japanese diesel-electric attack submarine class known for its advanced sonar, quiet operation, and service with the Japan Maritime Self-Defense Force.
• C. Taigei-class submarine
  The Taigei-class submarine is a modern Japanese diesel-electric attack submarine class featuring advanced stealth, sonar, and lithium-ion battery technology for the Japan Maritime Self-Defense Force.
• D. Sendai-class cruiser
  The Sendai-class cruiser was a group of light cruisers built for the Imperial Japanese Navy in the early 20th century, designed primarily as destroyer flotilla leaders and for night combat operations.
• E. Typhoon-class submarine
  The Typhoon-class submarine is a Soviet-designed nuclear-powered ballistic missile submarine, famous as the largest submarine ever built and a key component of the USSR’s Cold War nuclear deterrent.
• F. None of above. chosen