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: Mary, Queen of Scots, would marry the French dauphin when of age | Statement: [Treaty of Haddington, stipulated, Mary, Queen of Scots, would marry the French dauphin when of age]

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: Mary, Queen of Scots, would marry the French dauphin when of age
Triple: [Treaty of Haddington, stipulated, Mary, Queen of Scots, would marry the French dauphin when of age]

The Treaty of Haddington was a 1548 agreement that cemented a Franco-Scottish alliance by arranging a dynastic union between Scotland’s young queen and the French royal family.