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: Vanderbilt costume ball of 1883 | Statement: [Petit Château, notableEvent, Vanderbilt costume ball of 1883]

Target entity: Vanderbilt costume ball of 1883
Context triple: [Petit Château, notableEvent, Vanderbilt costume ball of 1883]

• A. Prom Night
  "Prom Night" is a 2008 American slasher film about a high school senior whose prom night turns deadly when a murderous stalker from her past returns.
• B. The Charity Ball
  The Charity Ball is an 1890s American stage play co-written by Henry Churchill DeMille that explores themes of social class, morality, and philanthropy in New York high society.
• C. Ommegang pageant
  The Ommegang pageant is a historic, costumed procession and festival in Brussels that reenacts a 16th-century royal entry with traditional guilds, music, and ceremonies.
• D. At the ’Cadian Ball
  "At the ’Cadian Ball" is a short story by American author Kate Chopin that explores themes of love, class, and Creole culture in late 19th-century Louisiana.
• E. Wonder Ballroom
  Wonder Ballroom is a historic live music venue in Portland, Oregon, known for hosting a wide range of concerts and cultural events.
• 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: Vanderbilt costume ball of 1883
Triple: [Petit Château, notableEvent, Vanderbilt costume ball of 1883]

The Vanderbilt costume ball of 1883 was an opulent Gilded Age masquerade hosted by Alva and William K. Vanderbilt in New York City, famed for its extravagant costumes, elite guest list, and display of immense wealth.

Target entity: Vanderbilt costume ball of 1883
Target entity description: The Vanderbilt costume ball of 1883 was an opulent Gilded Age masquerade hosted by Alva and William K. Vanderbilt in New York City, famed for its extravagant costumes, elite guest list, and display of immense wealth.

• A. Prom Night
  "Prom Night" is a 2008 American slasher film about a high school senior whose prom night turns deadly when a murderous stalker from her past returns.
• B. The Charity Ball
  The Charity Ball is an 1890s American stage play co-written by Henry Churchill DeMille that explores themes of social class, morality, and philanthropy in New York high society.
• C. Ommegang pageant
  The Ommegang pageant is a historic, costumed procession and festival in Brussels that reenacts a 16th-century royal entry with traditional guilds, music, and ceremonies.
• D. At the ’Cadian Ball
  "At the ’Cadian Ball" is a short story by American author Kate Chopin that explores themes of love, class, and Creole culture in late 19th-century Louisiana.
• E. Wonder Ballroom
  Wonder Ballroom is a historic live music venue in Portland, Oregon, known for hosting a wide range of concerts and cultural events.
• F. None of above. chosen