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: Graduals | Statement: [Graduale Romanum, contains, Graduals]

Target entity: Graduals
Context triple: [Graduale Romanum, contains, Graduals]

• A. Lords of the Congregation
  The Lords of the Congregation were a group of Scottish Protestant nobles who led the political and military movement that overthrew Catholic influence and established Protestantism during the Scottish Reformation.
• B. Gates of Prayer
  Gates of Prayer is a major Reform Jewish prayer book (siddur) widely used in North American congregations during the late 20th century.
• C. His Grace
  His Grace is a formal honorific style traditionally used in the United Kingdom for dukes and archbishops, denoting high noble or ecclesiastical rank.
• D. Canons of Grave
  Canons of Grave is a Dutch death metal band known for its heavy, old-school sound and contributions to the European extreme metal scene.
• E. Canons of Grave
  The Canons of Grave are a historic religious community or chapter of clergy associated with the town of Grave in the Netherlands, recognized today as a cultural heritage site.
• 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: Graduals
Triple: [Graduale Romanum, contains, Graduals]

Graduals are liturgical chants in the Roman Catholic Mass, traditionally sung between readings and forming a key part of the Gregorian chant repertoire.

Target entity: Graduals
Target entity description: Graduals are liturgical chants in the Roman Catholic Mass, traditionally sung between readings and forming a key part of the Gregorian chant repertoire.

• A. Lords of the Congregation
  The Lords of the Congregation were a group of Scottish Protestant nobles who led the political and military movement that overthrew Catholic influence and established Protestantism during the Scottish Reformation.
• B. Gates of Prayer
  Gates of Prayer is a major Reform Jewish prayer book (siddur) widely used in North American congregations during the late 20th century.
• C. His Grace
  His Grace is a formal honorific style traditionally used in the United Kingdom for dukes and archbishops, denoting high noble or ecclesiastical rank.
• D. Canons of Grave
  Canons of Grave is a Dutch death metal band known for its heavy, old-school sound and contributions to the European extreme metal scene.
• E. Canons of Grave
  The Canons of Grave are a historic religious community or chapter of clergy associated with the town of Grave in the Netherlands, recognized today as a cultural heritage site.
• F. None of above. chosen