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: Justina (in the West, contemporary imperial consort) | Statement: [Flacilla, predecessorAsEmpress, Justina (in the West, contemporary imperial consort)]

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: Justina (in the West, contemporary imperial consort)
Triple: [Flacilla, predecessorAsEmpress, Justina (in the West, contemporary imperial consort)]

Justina was a late 4th-century Roman empress in the Western Empire, known as the influential second wife of Emperor Valentinian I and mother of Emperor Valentinian II, who played a significant political role during her son's minority.