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: Dan River coal ash spill of 2014 | Statement: [Kingston coal ash spill of 2008, preceded, Dan River coal ash spill of 2014]

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: Dan River coal ash spill of 2014
Triple: [Kingston coal ash spill of 2008, preceded, Dan River coal ash spill of 2014]

The Dan River coal ash spill of 2014 was a major environmental disaster in North Carolina in which a ruptured stormwater pipe at a Duke Energy power plant released tens of thousands of tons of coal ash and contaminated wastewater into the Dan River.