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: Eudoxia of Masovia | Statement: [Casimir I of Kuyavia, sibling, Eudoxia of Masovia]

Target entity: Eudoxia of Masovia
Context triple: [Casimir I of Kuyavia, sibling, Eudoxia of Masovia]

• A. Grzymisława of Łuck
  Grzymisława of Łuck was a 13th-century Ruthenian noblewoman who became a Polish duchess and the mother of Bolesław V the Chaste, playing a role in the dynastic politics of medieval Poland.
• B. Jadwiga of Kalisz
  Jadwiga of Kalisz was a 13th–14th century Polish queen consort of Władysław I the Elbow-high and the mother of King Casimir III the Great, playing a key role in the Piast dynasty’s royal lineage.
• C. Yolanda of Poland
  Yolanda of Poland was a 13th-century Polish princess and Roman Catholic nun venerated for her piety and charitable works, later beatified by the Church.
• D. Agnes of Poland
  Agnes of Poland was a 12th-century Polish princess of the Piast dynasty who became Duchess of Halych–Volhynia through her marriage into the ruling Rurikid line.
• E. Kunigunde of Poland
  Kunigunde of Poland was a medieval Polish princess, daughter of King Władysław I the Elbow-high, who became Queen consort of Bohemia and later Duchess of Świdnica.
• 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: Eudoxia of Masovia
Triple: [Casimir I of Kuyavia, sibling, Eudoxia of Masovia]

Eudoxia of Masovia was a 13th-century Polish duchess from the Piast dynasty, known primarily as a member of the Masovian branch of the royal family.

Target entity: Eudoxia of Masovia
Target entity description: Eudoxia of Masovia was a 13th-century Polish duchess from the Piast dynasty, known primarily as a member of the Masovian branch of the royal family.

• A. Grzymisława of Łuck
  Grzymisława of Łuck was a 13th-century Ruthenian noblewoman who became a Polish duchess and the mother of Bolesław V the Chaste, playing a role in the dynastic politics of medieval Poland.
• B. Jadwiga of Kalisz
  Jadwiga of Kalisz was a 13th–14th century Polish queen consort of Władysław I the Elbow-high and the mother of King Casimir III the Great, playing a key role in the Piast dynasty’s royal lineage.
• C. Yolanda of Poland
  Yolanda of Poland was a 13th-century Polish princess and Roman Catholic nun venerated for her piety and charitable works, later beatified by the Church.
• D. Agnes of Poland
  Agnes of Poland was a 12th-century Polish princess of the Piast dynasty who became Duchess of Halych–Volhynia through her marriage into the ruling Rurikid line.
• E. Kunigunde of Poland
  Kunigunde of Poland was a medieval Polish princess, daughter of King Władysław I the Elbow-high, who became Queen consort of Bohemia and later Duchess of Świdnica.
• F. None of above. chosen