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: Princeps Pastorum | Statement: [Pope John XXIII, majorDocument, Princeps Pastorum]

Target entity: Princeps Pastorum
Context triple: [Pope John XXIII, majorDocument, Princeps Pastorum]

• A. Dei Filius
  Dei Filius is a dogmatic constitution of the Catholic Church from the First Vatican Council that defines key teachings on faith, reason, and divine revelation.
• B. Pro Rege
  Pro Rege is a multi-volume theological work by Dutch theologian and statesman Abraham Kuyper that explores the kingship of Christ over every sphere of life.
• C. Pastor aeternus
  Pastor aeternus is the 1870 dogmatic constitution of the First Vatican Council that definitively articulated the doctrine of papal primacy and infallibility in the Roman Catholic Church.
• D. Opus Francigenum
  Opus Francigenum is the Latin term historically used to refer to what is now known as Gothic architecture, a medieval European style characterized by pointed arches, ribbed vaults, and flying buttresses.
• E. Sublimis Deus
  Sublimis Deus is a 1537 papal bull by Pope Paul III that declared the indigenous peoples of the Americas to be rational humans with souls who must not be enslaved.
• 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: Princeps Pastorum
Triple: [Pope John XXIII, majorDocument, Princeps Pastorum]

Princeps Pastorum is an encyclical letter by Pope John XXIII focusing on the missionary activity of the Church and the pastoral care of clergy and laity in mission territories.

Target entity: Princeps Pastorum
Target entity description: Princeps Pastorum is an encyclical letter by Pope John XXIII focusing on the missionary activity of the Church and the pastoral care of clergy and laity in mission territories.

• A. Dei Filius
  Dei Filius is a dogmatic constitution of the Catholic Church from the First Vatican Council that defines key teachings on faith, reason, and divine revelation.
• B. Pro Rege
  Pro Rege is a multi-volume theological work by Dutch theologian and statesman Abraham Kuyper that explores the kingship of Christ over every sphere of life.
• C. Pastor aeternus
  Pastor aeternus is the 1870 dogmatic constitution of the First Vatican Council that definitively articulated the doctrine of papal primacy and infallibility in the Roman Catholic Church.
• D. Opus Francigenum
  Opus Francigenum is the Latin term historically used to refer to what is now known as Gothic architecture, a medieval European style characterized by pointed arches, ribbed vaults, and flying buttresses.
• E. Sublimis Deus
  Sublimis Deus is a 1537 papal bull by Pope Paul III that declared the indigenous peoples of the Americas to be rational humans with souls who must not be enslaved.
• F. None of above. chosen