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: FTSE 250 Index | Statement: [London Stock Exchange, index, FTSE 250 Index]

Target entity: FTSE 250 Index
Context triple: [London Stock Exchange, index, FTSE 250 Index]

• A. FTSE 100
  The FTSE 100 is the leading stock market index of the largest companies listed on the London Stock Exchange, widely used as a benchmark for the UK equity market.
• B. Euro Stoxx 50
  The Euro Stoxx 50 is a leading blue-chip stock market index that tracks the performance of 50 major companies from countries within the eurozone.
• C. S&P Composite 1500
  The S&P Composite 1500 is a broad U.S. stock market index that combines the large-cap S&P 500, mid-cap S&P 400, and small-cap S&P 600 to represent about 90% of U.S. equity market capitalization.
• D. NASDAQ-100 Index
  The NASDAQ-100 Index is a stock market index comprising 100 of the largest non-financial companies listed on the Nasdaq Stock Market, heavily weighted toward the technology sector.
• E. S&P 100
  The S&P 100 is a stock market index comprising 100 of the largest and most established blue-chip companies listed in the United States, often used as a benchmark for large-cap U.S. equities.
• 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: FTSE 250 Index
Triple: [London Stock Exchange, index, FTSE 250 Index]

The FTSE 250 Index is a stock market index that tracks the performance of the 101st to 350th largest companies listed on the London Stock Exchange by market capitalization.

Target entity: FTSE 250 Index
Target entity description: The FTSE 250 Index is a stock market index that tracks the performance of the 101st to 350th largest companies listed on the London Stock Exchange by market capitalization.

• A. FTSE 100
  The FTSE 100 is the leading stock market index of the largest companies listed on the London Stock Exchange, widely used as a benchmark for the UK equity market.
• B. Euro Stoxx 50
  The Euro Stoxx 50 is a leading blue-chip stock market index that tracks the performance of 50 major companies from countries within the eurozone.
• C. S&P Composite 1500
  The S&P Composite 1500 is a broad U.S. stock market index that combines the large-cap S&P 500, mid-cap S&P 400, and small-cap S&P 600 to represent about 90% of U.S. equity market capitalization.
• D. NASDAQ-100 Index
  The NASDAQ-100 Index is a stock market index comprising 100 of the largest non-financial companies listed on the Nasdaq Stock Market, heavily weighted toward the technology sector.
• E. S&P 100
  The S&P 100 is a stock market index comprising 100 of the largest and most established blue-chip companies listed in the United States, often used as a benchmark for large-cap U.S. equities.
• F. None of above. chosen

Target predicate: index
Context triple: [London Stock Exchange, index, FTSE 250 Index]

• A. is
  Indicates that two entities are equivalent, share an attribute, or stand in a specified state or relation to each other.
• B. site
  Indicates that one entity is the physical or virtual location where another entity is situated, occurs, or is based.
• C. includes chosen
  Indicates that one entity contains, encompasses, or has another entity as a part, member, or subset.
• D. heads
  Indicates that one entity leads, directs, or is in charge of another entity, such as an organization, group, or initiative.
• E. isPriceIndex
  Indicates that a value represents a price index, expressing the relative level or change of prices compared to a reference point or period.
• F. None of above.