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: Treaty of the Little Arkansas River | Statement: [Treaty of Little Arkansas (1865), alsoKnownAs, Treaty of the Little Arkansas River]

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: Treaty of the Little Arkansas River
Triple: [Treaty of Little Arkansas (1865), alsoKnownAs, Treaty of the Little Arkansas River]

The Treaty of the Little Arkansas River was an 1865 agreement between the United States and several Plains tribes, including the Kiowa and Comanche, that attempted to establish peace and define reservation lands in the aftermath of the Civil War and conflicts such as the Sand Creek Massacre.