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: Ediacaran Period and Cryogenian Period | Statement: [GSSP at Enorama Creek, Flinders Ranges, South Australia, boundaryBetween, Ediacaran Period and Cryogenian Period]

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: Ediacaran Period and Cryogenian Period
Triple: [GSSP at Enorama Creek, Flinders Ranges, South Australia, boundaryBetween, Ediacaran Period and Cryogenian Period]

The Ediacaran and Cryogenian periods are successive late Neoproterozoic intervals marked respectively by the emergence of the earliest large, complex multicellular life and by some of the most extensive global glaciations in Earth’s history.