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: INS Kalvari (S21) | Statement: [Kalvari-class submarine, hasVariant, INS Kalvari (S21)]

Target entity: INS Kalvari (S21)
Context triple: [Kalvari-class submarine, hasVariant, INS Kalvari (S21)]

• A. INS Kavaratti (P31)
  INS Kavaratti (P31) is an anti-submarine warfare corvette of the Indian Navy, built in India as part of the Kamorta-class series of stealth warships.
• B. INS Kamorta (P28)
  INS Kamorta (P28) is the lead ship of the Indian Navy’s Kamorta-class anti-submarine warfare corvettes, designed and built in India for coastal and blue-water defense operations.
• C. Kasturi-class corvette
  The Kasturi-class corvette is a class of small, multi-role warships used by Malaysia for patrol, surveillance, and surface warfare operations.
• D. INS Arighat
  INS Arighat is an Indian nuclear-powered ballistic missile submarine that forms part of India’s strategic nuclear deterrent force.
• E. Kolkata-class destroyer
  The Kolkata-class destroyer is a class of advanced stealth-guided missile destroyers serving as major surface combatants in the Indian Navy, designed for multi-role operations including air defense, anti-surface, and anti-submarine warfare.
• 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: INS Kalvari (S21)
Triple: [Kalvari-class submarine, hasVariant, INS Kalvari (S21)]

INS Kalvari (S21) is the lead diesel-electric attack submarine of the Indian Navy’s Kalvari class, based on the French Scorpène design and built under India’s Project 75 program.

Target entity: INS Kalvari (S21)
Target entity description: INS Kalvari (S21) is the lead diesel-electric attack submarine of the Indian Navy’s Kalvari class, based on the French Scorpène design and built under India’s Project 75 program.

• A. INS Kavaratti (P31)
  INS Kavaratti (P31) is an anti-submarine warfare corvette of the Indian Navy, built in India as part of the Kamorta-class series of stealth warships.
• B. INS Kamorta (P28)
  INS Kamorta (P28) is the lead ship of the Indian Navy’s Kamorta-class anti-submarine warfare corvettes, designed and built in India for coastal and blue-water defense operations.
• C. Kasturi-class corvette
  The Kasturi-class corvette is a class of small, multi-role warships used by Malaysia for patrol, surveillance, and surface warfare operations.
• D. INS Arighat
  INS Arighat is an Indian nuclear-powered ballistic missile submarine that forms part of India’s strategic nuclear deterrent force.
• E. Kolkata-class destroyer
  The Kolkata-class destroyer is a class of advanced stealth-guided missile destroyers serving as major surface combatants in the Indian Navy, designed for multi-role operations including air defense, anti-surface, and anti-submarine warfare.
• F. None of above. chosen