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: S&P National AMT-Free Municipal Bond Index | Statement: [S&P-branded indices, includesIndex, S&P National AMT-Free Municipal Bond Index]

Target entity: S&P National AMT-Free Municipal Bond Index
Context triple: [S&P-branded indices, includesIndex, S&P National AMT-Free Municipal Bond Index]

• A. S&P 90 Index
  The S&P 90 Index was an early U.S. stock market index composed of 90 leading companies, serving as a precursor to the broader S&P 500.
• B. Russell 1000 Value Index
  The Russell 1000 Value Index is a U.S. stock market index that tracks the performance of large- and mid-cap companies in the Russell 1000 considered undervalued based on fundamental metrics such as book-to-price and earnings ratios.
• C. Russell Midcap Index
  The Russell Midcap Index is a U.S. stock market index that measures the performance of mid-cap companies, typically representing the middle segment of the Russell 1000 Index.
• D. Russell 1000 Growth Index
  The Russell 1000 Growth Index is a stock market index that tracks the performance of large- and mid-cap U.S. companies with higher growth characteristics, such as above-average earnings and revenue growth.
• E. Russell 1000 Index
  The Russell 1000 Index is a U.S. stock market index that tracks the performance of the 1,000 largest publicly traded companies, representing the large-cap segment of the American equity market.
• 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: S&P National AMT-Free Municipal Bond Index
Triple: [S&P-branded indices, includesIndex, S&P National AMT-Free Municipal Bond Index]

The S&P National AMT-Free Municipal Bond Index is a benchmark that tracks the performance of U.S. dollar–denominated, investment-grade municipal bonds whose interest is exempt from the federal alternative minimum tax.

Target entity: S&P National AMT-Free Municipal Bond Index
Target entity description: The S&P National AMT-Free Municipal Bond Index is a benchmark that tracks the performance of U.S. dollar–denominated, investment-grade municipal bonds whose interest is exempt from the federal alternative minimum tax.

• A. S&P 90 Index
  The S&P 90 Index was an early U.S. stock market index composed of 90 leading companies, serving as a precursor to the broader S&P 500.
• B. Russell 1000 Value Index
  The Russell 1000 Value Index is a U.S. stock market index that tracks the performance of large- and mid-cap companies in the Russell 1000 considered undervalued based on fundamental metrics such as book-to-price and earnings ratios.
• C. Russell Midcap Index
  The Russell Midcap Index is a U.S. stock market index that measures the performance of mid-cap companies, typically representing the middle segment of the Russell 1000 Index.
• D. Russell 1000 Growth Index
  The Russell 1000 Growth Index is a stock market index that tracks the performance of large- and mid-cap U.S. companies with higher growth characteristics, such as above-average earnings and revenue growth.
• E. Russell 1000 Index
  The Russell 1000 Index is a U.S. stock market index that tracks the performance of the 1,000 largest publicly traded companies, representing the large-cap segment of the American equity market.
• F. None of above. chosen