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: Proprium de sanctis | Statement: [Graduale Simplex, hasSection, Proprium de sanctis]

Target entity: Proprium de sanctis
Context triple: [Graduale Simplex, hasSection, Proprium de sanctis]

• A. Miscellanea Sacra
  Miscellanea Sacra is a theological work by Dutch Reformed scholar Herman Witsius that explores various biblical and doctrinal questions in a series of learned essays.
• B. Acta Sanctorum
  Acta Sanctorum is a monumental multi-volume collection of scholarly-edited hagiographies of Christian saints, compiled by the Jesuit Bollandists from the 17th century onward.
• C. Vita Sancti Martini
  Vita Sancti Martini is a late 4th-century Christian hagiography that recounts the life, miracles, and spiritual influence of Saint Martin of Tours.
• D. Lives of Saints
  Lives of Saints is a collection of Old English homilies by Ælfric of Eynsham recounting the legends and moral examples of Christian saints for an Anglo-Saxon audience.
• E. Proprium de Tempore
  Proprium de Tempore is the section of the traditional Christian liturgy that contains the variable prayers and readings assigned to specific seasons and days of the liturgical year.
• 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: Proprium de sanctis
Triple: [Graduale Simplex, hasSection, Proprium de sanctis]

Proprium de sanctis is the section of the Roman Catholic liturgical books that contains the proper chants and texts assigned to the feasts of individual saints throughout the liturgical year.

Target entity: Proprium de sanctis
Target entity description: Proprium de sanctis is the section of the Roman Catholic liturgical books that contains the proper chants and texts assigned to the feasts of individual saints throughout the liturgical year.

• A. Miscellanea Sacra
  Miscellanea Sacra is a theological work by Dutch Reformed scholar Herman Witsius that explores various biblical and doctrinal questions in a series of learned essays.
• B. Acta Sanctorum
  Acta Sanctorum is a monumental multi-volume collection of scholarly-edited hagiographies of Christian saints, compiled by the Jesuit Bollandists from the 17th century onward.
• C. Vita Sancti Martini
  Vita Sancti Martini is a late 4th-century Christian hagiography that recounts the life, miracles, and spiritual influence of Saint Martin of Tours.
• D. Lives of Saints
  Lives of Saints is a collection of Old English homilies by Ælfric of Eynsham recounting the legends and moral examples of Christian saints for an Anglo-Saxon audience.
• E. Proprium de Tempore chosen
  Proprium de Tempore is the section of the traditional Christian liturgy that contains the variable prayers and readings assigned to specific seasons and days of the liturgical year.
• F. None of above.