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: Old Roman chant | Statement: [Ambrosian chant, distinctFrom, Old Roman chant]

Target entity: Old Roman chant
Context triple: [Ambrosian chant, distinctFrom, Old Roman chant]

• A. Gregorian chant
  Gregorian chant is a form of monophonic, unaccompanied sacred song of the Roman Catholic Church, central to medieval liturgy and Western musical tradition.
• B. Ambrosian chant
  Ambrosian chant is a liturgical plainchant tradition of the Western Christian Church, distinct from Gregorian chant and historically linked to the Milanese rite.
• C. Byzantine chant
  Byzantine chant is the monophonic, modal liturgical music of the Eastern Orthodox Church and other churches following the Byzantine tradition.
• D. Roman Canon
  The Roman Canon is the traditional central Eucharistic prayer of the Roman Rite, used for centuries as the fixed core of the Catholic Mass.
• E. Georgian polyphony
  Georgian polyphony is a traditional Georgian vocal music style characterized by complex multi-part harmonies and ancient, regionally diverse choral practices.
• 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: Old Roman chant
Triple: [Ambrosian chant, distinctFrom, Old Roman chant]

Old Roman chant is an early form of Western plainchant used in the liturgy of the city of Rome before being largely supplanted by Gregorian chant.

Target entity: Old Roman chant
Target entity description: Old Roman chant is an early form of Western plainchant used in the liturgy of the city of Rome before being largely supplanted by Gregorian chant.

• A. Gregorian chant
  Gregorian chant is a form of monophonic, unaccompanied sacred song of the Roman Catholic Church, central to medieval liturgy and Western musical tradition.
• B. Ambrosian chant
  Ambrosian chant is a liturgical plainchant tradition of the Western Christian Church, distinct from Gregorian chant and historically linked to the Milanese rite.
• C. Byzantine chant
  Byzantine chant is the monophonic, modal liturgical music of the Eastern Orthodox Church and other churches following the Byzantine tradition.
• D. Roman Canon
  The Roman Canon is the traditional central Eucharistic prayer of the Roman Rite, used for centuries as the fixed core of the Catholic Mass.
• E. Georgian polyphony
  Georgian polyphony is a traditional Georgian vocal music style characterized by complex multi-part harmonies and ancient, regionally diverse choral practices.
• F. None of above. chosen